<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:81c9843f-b937-4598-83d5-4220fc6cb023,g:27366bff-bd2a-4e42-9e72-07bbad649caf-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/DocumentAndEntityInformation" xlink:type="simple" xlink:href="asur-20241231.xsd#DocumentAndEntityInformation"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/DocumentAndEntityInformation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_6f919ddb-cf5e-4127-a921-32461ed47bcf" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_DocumentInformationTable_6f919ddb-cf5e-4127-a921-32461ed47bcf" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_5acbb486-5258-4411-a11f-07fd67cdf836" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_6f919ddb-cf5e-4127-a921-32461ed47bcf" xlink:to="loc_us-gaap_StatementClassOfStockAxis_5acbb486-5258-4411-a11f-07fd67cdf836" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_5acbb486-5258-4411-a11f-07fd67cdf836_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_5acbb486-5258-4411-a11f-07fd67cdf836" xlink:to="loc_us-gaap_ClassOfStockDomain_5acbb486-5258-4411-a11f-07fd67cdf836_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_1e0f6967-3103-4c0f-b7e8-92bdf74b0e87" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_5acbb486-5258-4411-a11f-07fd67cdf836" xlink:to="loc_us-gaap_ClassOfStockDomain_1e0f6967-3103-4c0f-b7e8-92bdf74b0e87" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_aaebddc2-8eb2-4e98-8d10-ce790e5c7938" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_1e0f6967-3103-4c0f-b7e8-92bdf74b0e87" xlink:to="loc_us-gaap_CommonStockMember_aaebddc2-8eb2-4e98-8d10-ce790e5c7938" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesAPreferredStockMember_5a2d6d90-95fd-4be7-adbc-993032ec0b56" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeriesAPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_1e0f6967-3103-4c0f-b7e8-92bdf74b0e87" xlink:to="loc_us-gaap_SeriesAPreferredStockMember_5a2d6d90-95fd-4be7-adbc-993032ec0b56" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_8f15325d-0b6f-46df-9a6d-34ac5450de4d" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_DocumentType_8f15325d-0b6f-46df-9a6d-34ac5450de4d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_6f1f30fe-08c8-4e46-978a-1fdab275bb3e" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_DocumentPeriodEndDate_6f1f30fe-08c8-4e46-978a-1fdab275bb3e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_b42b7458-80f8-48ea-a5d7-c11ccc515a9e" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentTransitionReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_DocumentTransitionReport_b42b7458-80f8-48ea-a5d7-c11ccc515a9e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_324ceacb-d2f0-46e0-b906-d635652d5fce" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityRegistrantName_324ceacb-d2f0-46e0-b906-d635652d5fce" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_8af9f423-463a-4c3a-af18-232630db8c37" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityIncorporationStateCountryCode_8af9f423-463a-4c3a-af18-232630db8c37" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_4d859251-ead4-45b7-b482-0d64714200ac" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityTaxIdentificationNumber_4d859251-ead4-45b7-b482-0d64714200ac" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_c3a2e115-301a-4ce4-a7df-e5acb8f93982" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityAddressAddressLine1_c3a2e115-301a-4ce4-a7df-e5acb8f93982" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_42cf9526-226d-435c-be8f-a92e07b347d6" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityAddressCityOrTown_42cf9526-226d-435c-be8f-a92e07b347d6" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_3cbb00e6-6808-4a68-84dd-e668fa91a45c" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityAddressStateOrProvince_3cbb00e6-6808-4a68-84dd-e668fa91a45c" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_25e1d170-e058-4477-bcaf-1f8b449767ae" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityAddressPostalZipCode_25e1d170-e058-4477-bcaf-1f8b449767ae" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_c3c4d26a-1710-4879-9796-f3bd53a69e04" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_CityAreaCode_c3c4d26a-1710-4879-9796-f3bd53a69e04" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_2b4cb051-48b9-427c-837c-81db79a96f4d" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_LocalPhoneNumber_2b4cb051-48b9-427c-837c-81db79a96f4d" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_28fd3a93-0808-4be7-a41c-13c895742797" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_Security12bTitle_28fd3a93-0808-4be7-a41c-13c895742797" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_89da0ec9-f811-4a10-b3c2-d90469370fe1" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_TradingSymbol_89da0ec9-f811-4a10-b3c2-d90469370fe1" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_NoTradingSymbolFlag_7b27a420-29d8-449a-93d3-f503398101ee" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_NoTradingSymbolFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_NoTradingSymbolFlag_7b27a420-29d8-449a-93d3-f503398101ee" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_c05bb32f-0f37-4311-ac85-3309b3ac093c" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_SecurityExchangeName_c05bb32f-0f37-4311-ac85-3309b3ac093c" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_42766e1a-8d6c-4c7e-92f1-df685336ab8b" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCurrentReportingStatus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityCurrentReportingStatus_42766e1a-8d6c-4c7e-92f1-df685336ab8b" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_ab788871-fe62-49b9-ad8d-c49921577cbe" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityInteractiveDataCurrent_ab788871-fe62-49b9-ad8d-c49921577cbe" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_866a61bb-8113-4134-8dec-86dca8fd2426" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFilerCategory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityFilerCategory_866a61bb-8113-4134-8dec-86dca8fd2426" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_c18ee28d-3e93-440f-86ac-28631669b091" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntitySmallBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntitySmallBusiness_c18ee28d-3e93-440f-86ac-28631669b091" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_fbbbbce7-2ccd-492e-b4f2-a04dd626b3b8" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityEmergingGrowthCompany_fbbbbce7-2ccd-492e-b4f2-a04dd626b3b8" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_IcfrAuditorAttestationFlag_f9024dd1-451e-43ee-b357-a7ff49cf5b30" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_IcfrAuditorAttestationFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_IcfrAuditorAttestationFlag_f9024dd1-451e-43ee-b357-a7ff49cf5b30" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFinStmtErrorCorrectionFlag_0ae6c772-8ee9-4252-b8b5-e3cce33eca20" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFinStmtErrorCorrectionFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_DocumentFinStmtErrorCorrectionFlag_0ae6c772-8ee9-4252-b8b5-e3cce33eca20" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_5cbffac2-049c-4035-93c0-ce4059d354d0" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityShellCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityShellCompany_5cbffac2-049c-4035-93c0-ce4059d354d0" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_050a7711-1c82-4332-9759-425146f803d3" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_050a7711-1c82-4332-9759-425146f803d3" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_821d86e0-928d-4e6a-9ee3-914d399f33b2" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_AmendmentFlag_821d86e0-928d-4e6a-9ee3-914d399f33b2" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_0a6d2d0d-2fb6-4a74-9c41-8ef45772bc5b" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityCentralIndexKey_0a6d2d0d-2fb6-4a74-9c41-8ef45772bc5b" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_519bd4a3-a211-43c1-a2cf-03595a309a08" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalYearFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_DocumentFiscalYearFocus_519bd4a3-a211-43c1-a2cf-03595a309a08" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_af59842d-7951-4280-aa60-1bd46d0e4cd9" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_DocumentFiscalPeriodFocus_af59842d-7951-4280-aa60-1bd46d0e4cd9" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityVoluntaryFilers_e65bb5bb-174e-4acb-b66d-e19cc4b96aa7" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityVoluntaryFilers"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityVoluntaryFilers_e65bb5bb-174e-4acb-b66d-e19cc4b96aa7" xlink:type="arc" order="29"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_7b13372b-dd81-4476-badb-c59002754e95" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityWellKnownSeasonedIssuer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityWellKnownSeasonedIssuer_7b13372b-dd81-4476-badb-c59002754e95" xlink:type="arc" order="30"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_6dd584ac-0cde-4f1a-9637-b520c246b496" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityFileNumber_6dd584ac-0cde-4f1a-9637-b520c246b496" xlink:type="arc" order="31"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAnnualReport_e192efbf-5f2c-47f7-9026-d63c6cb82aca" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentAnnualReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_DocumentAnnualReport_e192efbf-5f2c-47f7-9026-d63c6cb82aca" xlink:type="arc" order="32"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityPublicFloat_cb77c0ad-e77d-43ea-b879-23077d5c61fd" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityPublicFloat"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_EntityPublicFloat_cb77c0ad-e77d-43ea-b879-23077d5c61fd" xlink:type="arc" order="33"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorLocation_46740983-9993-40df-a974-0300e72b4eb9" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorLocation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_AuditorLocation_46740983-9993-40df-a974-0300e72b4eb9" xlink:type="arc" order="34"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorName_24e070ff-124f-436b-aa34-e6b07343db65" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_AuditorName_24e070ff-124f-436b-aa34-e6b07343db65" xlink:type="arc" order="35"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorFirmId_1166be82-ec55-42fd-921f-5c9942be10d3" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorFirmId"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_AuditorFirmId_1166be82-ec55-42fd-921f-5c9942be10d3" xlink:type="arc" order="36"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_abe64d73-641e-4145-8aeb-f4a40997fe3a" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_4776c918-bcba-4374-9ee9-c7d3fa3d8433" xlink:to="loc_dei_CurrentFiscalYearEndDate_abe64d73-641e-4145-8aeb-f4a40997fe3a" xlink:type="arc" order="37"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS" xlink:type="simple" xlink:href="asur-20241231.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_a91e286a-4b1e-4bc4-9671-b93a6c1ea4e0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_us-gaap_StatementTable_a91e286a-4b1e-4bc4-9671-b93a6c1ea4e0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_1620c2e0-1399-4516-9a81-e3c09611ba4e" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_a91e286a-4b1e-4bc4-9671-b93a6c1ea4e0" xlink:to="loc_srt_ProductOrServiceAxis_1620c2e0-1399-4516-9a81-e3c09611ba4e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_1620c2e0-1399-4516-9a81-e3c09611ba4e_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_1620c2e0-1399-4516-9a81-e3c09611ba4e" xlink:to="loc_srt_ProductsAndServicesDomain_1620c2e0-1399-4516-9a81-e3c09611ba4e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_19a19e9e-67e8-42ce-8068-373679e438f3" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_1620c2e0-1399-4516-9a81-e3c09611ba4e" xlink:to="loc_srt_ProductsAndServicesDomain_19a19e9e-67e8-42ce-8068-373679e438f3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_RecurringMember_6eee976f-1d81-4937-ab18-83667bfc9209" xlink:href="asur-20241231.xsd#asur_RecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_19a19e9e-67e8-42ce-8068-373679e438f3" xlink:to="loc_asur_RecurringMember_6eee976f-1d81-4937-ab18-83667bfc9209" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_ProfessionalServicesRevenueMember_6d23b35d-2467-41dc-94cf-d0dbcb613df8" xlink:href="asur-20241231.xsd#asur_ProfessionalServicesRevenueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_19a19e9e-67e8-42ce-8068-373679e438f3" xlink:to="loc_asur_ProfessionalServicesRevenueMember_6d23b35d-2467-41dc-94cf-d0dbcb613df8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_a556b9ea-922d-46aa-87e2-00a7331caae4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenuesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_us-gaap_RevenuesAbstract_a556b9ea-922d-46aa-87e2-00a7331caae4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_7e9dfa8d-2874-4ec6-99c0-2d966500a13b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_a556b9ea-922d-46aa-87e2-00a7331caae4" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_7e9dfa8d-2874-4ec6-99c0-2d966500a13b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_81784a7e-ac06-4384-9950-44526da17b49" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_81784a7e-ac06-4384-9950-44526da17b49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_b1c38fdd-064c-4d33-bf7a-d9338fbf3829" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_us-gaap_GrossProfit_b1c38fdd-064c-4d33-bf7a-d9338fbf3829" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_288cf926-c1aa-462a-9adf-58e44ff2b07d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_us-gaap_OperatingExpensesAbstract_288cf926-c1aa-462a-9adf-58e44ff2b07d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_90bc8d9f-e5fc-4a50-b6c6-033a2d59f779" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_288cf926-c1aa-462a-9adf-58e44ff2b07d" xlink:to="loc_us-gaap_SellingAndMarketingExpense_90bc8d9f-e5fc-4a50-b6c6-033a2d59f779" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_85bbb65f-2f9e-4bec-8391-7ca91bce9c02" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_288cf926-c1aa-462a-9adf-58e44ff2b07d" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_85bbb65f-2f9e-4bec-8391-7ca91bce9c02" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_2696959e-fa23-4eb1-9db5-e999240718fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_288cf926-c1aa-462a-9adf-58e44ff2b07d" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_2696959e-fa23-4eb1-9db5-e999240718fa" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_10a507d0-7712-4c17-9a64-6a364b5ed786" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_288cf926-c1aa-462a-9adf-58e44ff2b07d" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_10a507d0-7712-4c17-9a64-6a364b5ed786" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_df0c5e74-06af-4aa2-a9b8-da22a035b713" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostsAndExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_288cf926-c1aa-462a-9adf-58e44ff2b07d" xlink:to="loc_us-gaap_CostsAndExpenses_df0c5e74-06af-4aa2-a9b8-da22a035b713" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_690c608c-e8a2-4c46-9811-ef200519dd8e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_us-gaap_OperatingIncomeLoss_690c608c-e8a2-4c46-9811-ef200519dd8e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeNonoperating_007366df-f774-46c6-820b-e39d9167c3bd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentIncomeNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_us-gaap_InvestmentIncomeNonoperating_007366df-f774-46c6-820b-e39d9167c3bd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_2f10da21-7605-4e1e-b88a-d72101ac8ce9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_us-gaap_InterestExpenseNonoperating_2f10da21-7605-4e1e-b88a-d72101ac8ce9" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_0bb36d02-b88d-4e8c-a767-ba22f0f6209b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_0bb36d02-b88d-4e8c-a767-ba22f0f6209b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_bd9c6462-f0b9-4423-bf3c-f6fd1217f8a3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_bd9c6462-f0b9-4423-bf3c-f6fd1217f8a3" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_c4aa2972-3834-4d9c-af5b-7e74efa0655c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_c4aa2972-3834-4d9c-af5b-7e74efa0655c" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_a93fad8e-0b7d-440a-be41-c76b3c0bb712" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_a93fad8e-0b7d-440a-be41-c76b3c0bb712" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_f5ea0af9-d982-4000-9402-ae5f4b3787ff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_us-gaap_NetIncomeLoss_f5ea0af9-d982-4000-9402-ae5f4b3787ff" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_4af5f5a2-3873-4d35-aa6e-50a715dc4611" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_4af5f5a2-3873-4d35-aa6e-50a715dc4611" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_9ea7bc45-93de-4855-afdb-aee458e93d76" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_4af5f5a2-3873-4d35-aa6e-50a715dc4611" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_9ea7bc45-93de-4855-afdb-aee458e93d76" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_2ca05d3d-ccf1-490e-b214-a2d98fa74e71" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_4af5f5a2-3873-4d35-aa6e-50a715dc4611" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_2ca05d3d-ccf1-490e-b214-a2d98fa74e71" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_9a551db0-bd7b-4356-a936-8af5e26f5650" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_us-gaap_EarningsPerShareAbstract_9a551db0-bd7b-4356-a936-8af5e26f5650" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_3ea91bac-5ee7-4f4a-8176-94aaae359423" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_9a551db0-bd7b-4356-a936-8af5e26f5650" xlink:to="loc_us-gaap_EarningsPerShareBasic_3ea91bac-5ee7-4f4a-8176-94aaae359423" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_1a347173-36e5-4db6-8da6-4cb3b4b7f93c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_9a551db0-bd7b-4356-a936-8af5e26f5650" xlink:to="loc_us-gaap_EarningsPerShareDiluted_1a347173-36e5-4db6-8da6-4cb3b4b7f93c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_WeightedAverageBasicAndDilutedSharesAbstract_d1b2d8f5-e566-469b-a833-44bf5c264362" xlink:href="asur-20241231.xsd#asur_WeightedAverageBasicAndDilutedSharesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef012518-6c04-48f1-833a-d5b356307add" xlink:to="loc_asur_WeightedAverageBasicAndDilutedSharesAbstract_d1b2d8f5-e566-469b-a833-44bf5c264362" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_aac32a3d-d369-4a34-b526-8f3372fdbba1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_WeightedAverageBasicAndDilutedSharesAbstract_d1b2d8f5-e566-469b-a833-44bf5c264362" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_aac32a3d-d369-4a34-b526-8f3372fdbba1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_e1def571-d41d-4888-aa1d-b889df778c52" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_WeightedAverageBasicAndDilutedSharesAbstract_d1b2d8f5-e566-469b-a833-44bf5c264362" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_e1def571-d41d-4888-aa1d-b889df778c52" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITY" xlink:type="simple" xlink:href="asur-20241231.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITY"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITY" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_54d0b11e-8738-4b49-aecd-b2927f07d5d3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:to="loc_us-gaap_StatementTable_54d0b11e-8738-4b49-aecd-b2927f07d5d3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_90b9ee74-539b-4475-b4dd-9ff01a47a075" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_54d0b11e-8738-4b49-aecd-b2927f07d5d3" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_90b9ee74-539b-4475-b4dd-9ff01a47a075" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_90b9ee74-539b-4475-b4dd-9ff01a47a075_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_90b9ee74-539b-4475-b4dd-9ff01a47a075" xlink:to="loc_us-gaap_EquityComponentDomain_90b9ee74-539b-4475-b4dd-9ff01a47a075_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_a1e945d1-8472-4713-bd8d-b8ce69441aee" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_90b9ee74-539b-4475-b4dd-9ff01a47a075" xlink:to="loc_us-gaap_EquityComponentDomain_a1e945d1-8472-4713-bd8d-b8ce69441aee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_a384eea6-ba71-48ea-a979-26deaee0cd78" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a1e945d1-8472-4713-bd8d-b8ce69441aee" xlink:to="loc_us-gaap_CommonStockMember_a384eea6-ba71-48ea-a979-26deaee0cd78" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_ced9ead6-936c-4574-ae32-f00d653ed68a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a1e945d1-8472-4713-bd8d-b8ce69441aee" xlink:to="loc_us-gaap_TreasuryStockCommonMember_ced9ead6-936c-4574-ae32-f00d653ed68a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_04fc7646-424c-45a7-94b2-523f7840a9a8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a1e945d1-8472-4713-bd8d-b8ce69441aee" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_04fc7646-424c-45a7-94b2-523f7840a9a8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_ec5d29d9-ca24-48fe-bb3f-30a39fb9b963" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a1e945d1-8472-4713-bd8d-b8ce69441aee" xlink:to="loc_us-gaap_RetainedEarningsMember_ec5d29d9-ca24-48fe-bb3f-30a39fb9b963" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_223753b5-a097-463b-9aa7-17454c59e641" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a1e945d1-8472-4713-bd8d-b8ce69441aee" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_223753b5-a097-463b-9aa7-17454c59e641" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_cdf9aa0e-56da-4e88-9ef8-483f242cd0f4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:to="loc_us-gaap_SharesOutstanding_cdf9aa0e-56da-4e88-9ef8-483f242cd0f4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3259bb02-4bac-4e90-9d37-a92df65a0665" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3259bb02-4bac-4e90-9d37-a92df65a0665" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_2c44fb48-9bfd-44ed-b362-e8f912a863b7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_2c44fb48-9bfd-44ed-b362-e8f912a863b7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_6464900a-8f86-4528-8deb-a41f21b69bc0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_6464900a-8f86-4528-8deb-a41f21b69bc0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_676bb34e-03e3-458f-9b93-12779677568f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_676bb34e-03e3-458f-9b93-12779677568f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_86aa7317-795e-459c-96de-20cb2e9d3b91" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_86aa7317-795e-459c-96de-20cb2e9d3b91" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_47d03cea-a381-4e90-8f2b-8038ff375e24" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_47d03cea-a381-4e90-8f2b-8038ff375e24" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_6d11614a-f37a-475e-8eed-baecd0dec577" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_6d11614a-f37a-475e-8eed-baecd0dec577" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_766985bd-b943-438c-9ddc-6f333a5b3cac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_766985bd-b943-438c-9ddc-6f333a5b3cac" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_3b8cf17f-0b8b-46bd-b661-d704f9677722" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_3b8cf17f-0b8b-46bd-b661-d704f9677722" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_13b4b093-4e92-44e8-bb44-5b861c0e3ab4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_13b4b093-4e92-44e8-bb44-5b861c0e3ab4" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_c4aa2179-5549-4d6c-8d87-3a9384782081" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockRetiredCostMethodAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:to="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_c4aa2179-5549-4d6c-8d87-3a9384782081" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_587326fb-b6f1-4508-be86-ed5b1f75f5ee" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:to="loc_us-gaap_NetIncomeLoss_587326fb-b6f1-4508-be86-ed5b1f75f5ee" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_72faa1f4-adaa-4ab6-9f27-b1c52ef5c0a9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_933f69ee-7211-44de-bee2-604646b81a30" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_72faa1f4-adaa-4ab6-9f27-b1c52ef5c0a9" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_0df195d8-4b3f-4439-8af5-9d59fdea6ad6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_6b4c71e0-b77b-474b-a05b-9fdc14f2c5f9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/DESCRIPTIONOFBUSINESSBASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESDetails" xlink:type="simple" xlink:href="asur-20241231.xsd#DESCRIPTIONOFBUSINESSBASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/DESCRIPTIONOFBUSINESSBASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8184daa0-21d3-42f2-9e28-d541e45ccd43" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_180ec56a-8c0f-4021-b8f6-e4c865e28024" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8184daa0-21d3-42f2-9e28-d541e45ccd43" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_180ec56a-8c0f-4021-b8f6-e4c865e28024" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_a1cf632e-d202-48a8-89a6-ddea8346ec56" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_180ec56a-8c0f-4021-b8f6-e4c865e28024" xlink:to="loc_srt_RangeAxis_a1cf632e-d202-48a8-89a6-ddea8346ec56" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_a1cf632e-d202-48a8-89a6-ddea8346ec56_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_a1cf632e-d202-48a8-89a6-ddea8346ec56" xlink:to="loc_srt_RangeMember_a1cf632e-d202-48a8-89a6-ddea8346ec56_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_f5ccde48-dd5c-4946-a181-4cb3da6dfe6c" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_a1cf632e-d202-48a8-89a6-ddea8346ec56" xlink:to="loc_srt_RangeMember_f5ccde48-dd5c-4946-a181-4cb3da6dfe6c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_241432e6-ce51-407c-84fd-214bf2e4aa30" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_f5ccde48-dd5c-4946-a181-4cb3da6dfe6c" xlink:to="loc_srt_MinimumMember_241432e6-ce51-407c-84fd-214bf2e4aa30" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_d7d5774f-c53c-4100-a7bd-1d0cd475c110" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_f5ccde48-dd5c-4946-a181-4cb3da6dfe6c" xlink:to="loc_srt_MaximumMember_d7d5774f-c53c-4100-a7bd-1d0cd475c110" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_8114c524-6c36-4564-a591-57eb170d6faf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8184daa0-21d3-42f2-9e28-d541e45ccd43" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_8114c524-6c36-4564-a591-57eb170d6faf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_3ed7c64a-19e9-4bb5-9b5f-2f37a7e57f96" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8184daa0-21d3-42f2-9e28-d541e45ccd43" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_3ed7c64a-19e9-4bb5-9b5f-2f37a7e57f96" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdvertisingExpense_9122abef-626b-4ca8-b54a-b579cbadeffc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdvertisingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8184daa0-21d3-42f2-9e28-d541e45ccd43" xlink:to="loc_us-gaap_AdvertisingExpense_9122abef-626b-4ca8-b54a-b579cbadeffc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_d8c49f40-48d1-4849-93f0-8d73339712e0" xlink:href="asur-20241231.xsd#asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable_588fba75-2cf5-4608-a38d-1e71d7ae6032" xlink:href="asur-20241231.xsd#asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_d8c49f40-48d1-4849-93f0-8d73339712e0" xlink:to="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable_588fba75-2cf5-4608-a38d-1e71d7ae6032" xlink:type="arc" order="2" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_99488e86-6e8c-489e-a05c-d3c4c8ff9a54" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable_588fba75-2cf5-4608-a38d-1e71d7ae6032" xlink:to="loc_srt_ProductOrServiceAxis_99488e86-6e8c-489e-a05c-d3c4c8ff9a54" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_99488e86-6e8c-489e-a05c-d3c4c8ff9a54_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_99488e86-6e8c-489e-a05c-d3c4c8ff9a54" xlink:to="loc_srt_ProductsAndServicesDomain_99488e86-6e8c-489e-a05c-d3c4c8ff9a54_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_49eecc8f-19c7-47d3-baee-df35a7805981" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_99488e86-6e8c-489e-a05c-d3c4c8ff9a54" xlink:to="loc_srt_ProductsAndServicesDomain_49eecc8f-19c7-47d3-baee-df35a7805981" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_RecurringMember_3305ffd3-cd64-4972-8a57-a5eb4ceaa168" xlink:href="asur-20241231.xsd#asur_RecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_49eecc8f-19c7-47d3-baee-df35a7805981" xlink:to="loc_asur_RecurringMember_3305ffd3-cd64-4972-8a57-a5eb4ceaa168" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_ProfessionalServicesRevenueMember_cbd4af5b-9f9b-43df-9adc-43908d769dae" xlink:href="asur-20241231.xsd#asur_ProfessionalServicesRevenueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_49eecc8f-19c7-47d3-baee-df35a7805981" xlink:to="loc_asur_ProfessionalServicesRevenueMember_cbd4af5b-9f9b-43df-9adc-43908d769dae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_b8fb65fb-e64c-4f12-8ff7-72aa078d6323" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable_588fba75-2cf5-4608-a38d-1e71d7ae6032" xlink:to="loc_srt_RangeAxis_b8fb65fb-e64c-4f12-8ff7-72aa078d6323" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_b8fb65fb-e64c-4f12-8ff7-72aa078d6323_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_6170dedf-8485-4d48-9e00-57aca705c461" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_7cabcc51-6f7d-46f8-b840-5e60bf9f8dbe" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_a2ec6afd-c56f-473c-b822-bacc7ffe8799" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_ContractWithCustomersContractDuration_c9a6f60a-29a1-42b9-a635-75451aa495b7" xlink:href="asur-20241231.xsd#asur_ContractWithCustomersContractDuration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_d8c49f40-48d1-4849-93f0-8d73339712e0" xlink:to="loc_asur_ContractWithCustomersContractDuration_c9a6f60a-29a1-42b9-a635-75451aa495b7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_ContractWithCustomerAssetEstimatedUsefulLife_a5e31a5b-cbd3-4dc6-bcfb-6b5e02334345" xlink:href="asur-20241231.xsd#asur_ContractWithCustomerAssetEstimatedUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_d8c49f40-48d1-4849-93f0-8d73339712e0" xlink:to="loc_asur_ContractWithCustomerAssetEstimatedUsefulLife_a5e31a5b-cbd3-4dc6-bcfb-6b5e02334345" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/BUSINESSCOMBINATIONSANDASSETACQUISITIONSBusinessCombinationsDetails" xlink:type="simple" xlink:href="asur-20241231.xsd#BUSINESSCOMBINATIONSANDASSETACQUISITIONSBusinessCombinationsDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/BUSINESSCOMBINATIONSANDASSETACQUISITIONSBusinessCombinationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_afbe47c7-17dd-4c2f-9b42-9dff62589172" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0720dbef-50c8-44d9-af8e-6912813ffc16" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_afbe47c7-17dd-4c2f-9b42-9dff62589172" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0720dbef-50c8-44d9-af8e-6912813ffc16" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_59ee1643-a808-4620-ada8-f492dcbb9af7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0720dbef-50c8-44d9-af8e-6912813ffc16" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_59ee1643-a808-4620-ada8-f492dcbb9af7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_59ee1643-a808-4620-ada8-f492dcbb9af7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_59ee1643-a808-4620-ada8-f492dcbb9af7" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_59ee1643-a808-4620-ada8-f492dcbb9af7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_371b2c38-8a5d-4869-9843-7dcd21157b3f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_59ee1643-a808-4620-ada8-f492dcbb9af7" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_371b2c38-8a5d-4869-9843-7dcd21157b3f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_HireclickMember_62c4bcf6-9405-4e41-a118-6e32ec78fd5f" xlink:href="asur-20241231.xsd#asur_HireclickMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_371b2c38-8a5d-4869-9843-7dcd21157b3f" xlink:to="loc_asur_HireclickMember_62c4bcf6-9405-4e41-a118-6e32ec78fd5f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1604bebd-3544-4db3-8300-1dc2409e62ac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0720dbef-50c8-44d9-af8e-6912813ffc16" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1604bebd-3544-4db3-8300-1dc2409e62ac" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1604bebd-3544-4db3-8300-1dc2409e62ac_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1604bebd-3544-4db3-8300-1dc2409e62ac" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1604bebd-3544-4db3-8300-1dc2409e62ac_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_228e1985-9ea3-4d94-a812-088248a61753" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1604bebd-3544-4db3-8300-1dc2409e62ac" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_228e1985-9ea3-4d94-a812-088248a61753" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_f5feab4a-95a7-4efb-ab0f-766cd788bc4c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_228e1985-9ea3-4d94-a812-088248a61753" xlink:to="loc_us-gaap_CustomerRelationshipsMember_f5feab4a-95a7-4efb-ab0f-766cd788bc4c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_76e11b90-4ee1-4fe2-a612-31cf5a344902" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_228e1985-9ea3-4d94-a812-088248a61753" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_76e11b90-4ee1-4fe2-a612-31cf5a344902" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_d480cd21-6ee7-4280-822c-223d9f20719a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_afbe47c7-17dd-4c2f-9b42-9dff62589172" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_d480cd21-6ee7-4280-822c-223d9f20719a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_d6274382-c120-4a19-86c8-73030d0497e1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_afbe47c7-17dd-4c2f-9b42-9dff62589172" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_d6274382-c120-4a19-86c8-73030d0497e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_d92ac2a6-3c85-4c2b-ad3e-022f233053d3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_afbe47c7-17dd-4c2f-9b42-9dff62589172" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_d92ac2a6-3c85-4c2b-ad3e-022f233053d3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_fc805dcd-b9dd-406b-ba74-19beb380464d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_afbe47c7-17dd-4c2f-9b42-9dff62589172" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_fc805dcd-b9dd-406b-ba74-19beb380464d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_fc10feaa-d173-4627-b0b8-f8cf2a42db13" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_afbe47c7-17dd-4c2f-9b42-9dff62589172" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_fc10feaa-d173-4627-b0b8-f8cf2a42db13" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationCostOfAcquiredEntityEquityInterestsIssuedAndIssuableFairValueMethod_ae573825-b252-4ac1-9699-1f9013132d03" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationCostOfAcquiredEntityEquityInterestsIssuedAndIssuableFairValueMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_afbe47c7-17dd-4c2f-9b42-9dff62589172" xlink:to="loc_us-gaap_BusinessCombinationCostOfAcquiredEntityEquityInterestsIssuedAndIssuableFairValueMethod_ae573825-b252-4ac1-9699-1f9013132d03" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayable_d53d7e86-3f63-4c26-9dd9-cf8b3c5c0a8e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NotesPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_afbe47c7-17dd-4c2f-9b42-9dff62589172" xlink:to="loc_us-gaap_NotesPayable_d53d7e86-3f63-4c26-9dd9-cf8b3c5c0a8e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_f9b5d009-e4d6-4a8f-a874-303bfd071cf5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_afbe47c7-17dd-4c2f-9b42-9dff62589172" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_f9b5d009-e4d6-4a8f-a874-303bfd071cf5" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_d5bd3de7-000c-498e-95f9-327efd184f60" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_afbe47c7-17dd-4c2f-9b42-9dff62589172" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_d5bd3de7-000c-498e-95f9-327efd184f60" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_8a64a24b-c077-49f9-8ce9-f04553c8c10d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_afbe47c7-17dd-4c2f-9b42-9dff62589172" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_8a64a24b-c077-49f9-8ce9-f04553c8c10d" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_600832cf-41f2-4ff1-8707-21ca7566f962" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_afbe47c7-17dd-4c2f-9b42-9dff62589172" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_600832cf-41f2-4ff1-8707-21ca7566f962" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_cc71b940-0977-4fb5-9743-c3793c391f7c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_afbe47c7-17dd-4c2f-9b42-9dff62589172" xlink:to="loc_us-gaap_Goodwill_cc71b940-0977-4fb5-9743-c3793c391f7c" xlink:type="arc" order="11"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/BUSINESSCOMBINATIONSANDASSETACQUISITIONSAssetAcquisitionsDetails" xlink:type="simple" xlink:href="asur-20241231.xsd#BUSINESSCOMBINATIONSANDASSETACQUISITIONSAssetAcquisitionsDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/BUSINESSCOMBINATIONSANDASSETACQUISITIONSAssetAcquisitionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionLineItems_19d391a1-e2c2-4edc-8f6d-97acd187e5b9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionTable_bc9340d0-caba-4389-a23e-b17a2335d762" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_19d391a1-e2c2-4edc-8f6d-97acd187e5b9" xlink:to="loc_us-gaap_AssetAcquisitionTable_bc9340d0-caba-4389-a23e-b17a2335d762" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_372ec034-9244-4a0b-8460-38c35829df91" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_bc9340d0-caba-4389-a23e-b17a2335d762" xlink:to="loc_us-gaap_AssetAcquisitionAxis_372ec034-9244-4a0b-8460-38c35829df91" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_372ec034-9244-4a0b-8460-38c35829df91_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_372ec034-9244-4a0b-8460-38c35829df91" xlink:to="loc_us-gaap_AssetAcquisitionDomain_372ec034-9244-4a0b-8460-38c35829df91_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_dfec4742-b505-4dbb-93f8-6d9a1430c9be" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_372ec034-9244-4a0b-8460-38c35829df91" xlink:to="loc_us-gaap_AssetAcquisitionDomain_dfec4742-b505-4dbb-93f8-6d9a1430c9be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_A2024AcquisitionsMember_a4a3e3c9-0d12-4ef2-bb26-b8161f48798d" xlink:href="asur-20241231.xsd#asur_A2024AcquisitionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_dfec4742-b505-4dbb-93f8-6d9a1430c9be" xlink:to="loc_asur_A2024AcquisitionsMember_a4a3e3c9-0d12-4ef2-bb26-b8161f48798d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_A2023AcquisitionsMember_eea7914e-551a-41ba-9654-6d77b45b6663" xlink:href="asur-20241231.xsd#asur_A2023AcquisitionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_dfec4742-b505-4dbb-93f8-6d9a1430c9be" xlink:to="loc_asur_A2023AcquisitionsMember_eea7914e-551a-41ba-9654-6d77b45b6663" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_A2021AcquisitionsMember_3a201c6c-27cd-4ae8-bc88-386eda99062e" xlink:href="asur-20241231.xsd#asur_A2021AcquisitionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_dfec4742-b505-4dbb-93f8-6d9a1430c9be" xlink:to="loc_asur_A2021AcquisitionsMember_3a201c6c-27cd-4ae8-bc88-386eda99062e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3b63b494-75fd-45a4-b235-3b9626991daa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_bc9340d0-caba-4389-a23e-b17a2335d762" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3b63b494-75fd-45a4-b235-3b9626991daa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3b63b494-75fd-45a4-b235-3b9626991daa_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3b63b494-75fd-45a4-b235-3b9626991daa" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3b63b494-75fd-45a4-b235-3b9626991daa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_de90bc70-c745-48bb-93df-4b7e238b9623" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3b63b494-75fd-45a4-b235-3b9626991daa" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_de90bc70-c745-48bb-93df-4b7e238b9623" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_43933689-feaa-4a6c-9c89-7d42c2eb1d6c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_de90bc70-c745-48bb-93df-4b7e238b9623" xlink:to="loc_us-gaap_CustomerRelationshipsMember_43933689-feaa-4a6c-9c89-7d42c2eb1d6c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_5ae4ae43-1542-4249-8a87-347aed65a872" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_bc9340d0-caba-4389-a23e-b17a2335d762" xlink:to="loc_srt_RangeAxis_5ae4ae43-1542-4249-8a87-347aed65a872" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_5ae4ae43-1542-4249-8a87-347aed65a872_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_5ae4ae43-1542-4249-8a87-347aed65a872" xlink:to="loc_srt_RangeMember_5ae4ae43-1542-4249-8a87-347aed65a872_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_70e6dd64-8ad1-482e-b5be-cdead89c4713" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_5ae4ae43-1542-4249-8a87-347aed65a872" xlink:to="loc_srt_RangeMember_70e6dd64-8ad1-482e-b5be-cdead89c4713" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_24ddffe5-5724-4192-9cb3-f29cc4f985e9" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_70e6dd64-8ad1-482e-b5be-cdead89c4713" xlink:to="loc_srt_MinimumMember_24ddffe5-5724-4192-9cb3-f29cc4f985e9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_fba3dc92-c54d-432b-ae81-3f571ce90768" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_70e6dd64-8ad1-482e-b5be-cdead89c4713" xlink:to="loc_srt_MaximumMember_fba3dc92-c54d-432b-ae81-3f571ce90768" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_5f540cde-b10b-406c-931a-9f1af2c24b4e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_19d391a1-e2c2-4edc-8f6d-97acd187e5b9" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_5f540cde-b10b-406c-931a-9f1af2c24b4e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_9a5ac5c8-b699-46e6-a68e-8e9d0d0fbc31" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_19d391a1-e2c2-4edc-8f6d-97acd187e5b9" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_9a5ac5c8-b699-46e6-a68e-8e9d0d0fbc31" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FuturePaymentsToAcquireProductiveAssets_ad662697-f0a1-4bb1-a3d2-5dfc98c412b4" xlink:href="asur-20241231.xsd#asur_FuturePaymentsToAcquireProductiveAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_19d391a1-e2c2-4edc-8f6d-97acd187e5b9" xlink:to="loc_asur_FuturePaymentsToAcquireProductiveAssets_ad662697-f0a1-4bb1-a3d2-5dfc98c412b4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred_c4a7600e-0367-47e0-acc0-00bdbee9cb0d" xlink:href="asur-20241231.xsd#asur_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_19d391a1-e2c2-4edc-8f6d-97acd187e5b9" xlink:to="loc_asur_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred_c4a7600e-0367-47e0-acc0-00bdbee9cb0d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_0c5b9ae4-7dd7-43c8-b81a-f5aa1be9abef" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_19d391a1-e2c2-4edc-8f6d-97acd187e5b9" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_0c5b9ae4-7dd7-43c8-b81a-f5aa1be9abef" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable_c5e54a10-a387-45e8-8311-8600d2be71bd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_19d391a1-e2c2-4edc-8f6d-97acd187e5b9" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable_c5e54a10-a387-45e8-8311-8600d2be71bd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_03052bf8-11b7-431d-949c-f42c5ed189a4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_19d391a1-e2c2-4edc-8f6d-97acd187e5b9" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_03052bf8-11b7-431d-949c-f42c5ed189a4" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_f26b6818-7930-493e-917f-4e70ec5eb431" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_19d391a1-e2c2-4edc-8f6d-97acd187e5b9" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_f26b6818-7930-493e-917f-4e70ec5eb431" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionContingentConsiderationLiability_d665076b-6edf-401a-aff2-c2e42880c11a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionContingentConsiderationLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_19d391a1-e2c2-4edc-8f6d-97acd187e5b9" xlink:to="loc_us-gaap_AssetAcquisitionContingentConsiderationLiability_d665076b-6edf-401a-aff2-c2e42880c11a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_AssetAcquisitionNumberOfAcquisitions_810616b6-3e96-4c8c-9a58-62c6198783c6" xlink:href="asur-20241231.xsd#asur_AssetAcquisitionNumberOfAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_19d391a1-e2c2-4edc-8f6d-97acd187e5b9" xlink:to="loc_asur_AssetAcquisitionNumberOfAcquisitions_810616b6-3e96-4c8c-9a58-62c6198783c6" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_AssetAcquisitionContingentConsiderationContingentEventDuration_ad8a57e2-4dc4-4994-b42d-5e7282aac397" xlink:href="asur-20241231.xsd#asur_AssetAcquisitionContingentConsiderationContingentEventDuration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_19d391a1-e2c2-4edc-8f6d-97acd187e5b9" xlink:to="loc_asur_AssetAcquisitionContingentConsiderationContingentEventDuration_ad8a57e2-4dc4-4994-b42d-5e7282aac397" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTSScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails" xlink:type="simple" xlink:href="asur-20241231.xsd#INVESTMENTSANDFAIRVALUEMEASUREMENTSScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTSScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisLineItems_628ac319-b1df-43c7-8e87-6a8471fbf277" xlink:href="asur-20241231.xsd#asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisTable_9e01c5b1-a7ce-47fb-a8e0-2600986d73d5" xlink:href="asur-20241231.xsd#asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisLineItems_628ac319-b1df-43c7-8e87-6a8471fbf277" xlink:to="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisTable_9e01c5b1-a7ce-47fb-a8e0-2600986d73d5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_7ba17b98-69ef-4479-91ef-fce9ae1353f9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisTable_9e01c5b1-a7ce-47fb-a8e0-2600986d73d5" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_7ba17b98-69ef-4479-91ef-fce9ae1353f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_7ba17b98-69ef-4479-91ef-fce9ae1353f9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_7ba17b98-69ef-4479-91ef-fce9ae1353f9" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_7ba17b98-69ef-4479-91ef-fce9ae1353f9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_1f9f1d2d-9dfa-497b-90ea-ebc5acbf55e0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_7ba17b98-69ef-4479-91ef-fce9ae1353f9" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_1f9f1d2d-9dfa-497b-90ea-ebc5acbf55e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_6097bc47-0489-41ab-a764-b793dfce1700" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_1f9f1d2d-9dfa-497b-90ea-ebc5acbf55e0" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_6097bc47-0489-41ab-a764-b793dfce1700" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_ba41fbb0-cc89-4a02-a425-7bf2c9f55c4a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisTable_9e01c5b1-a7ce-47fb-a8e0-2600986d73d5" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_ba41fbb0-cc89-4a02-a425-7bf2c9f55c4a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ba41fbb0-cc89-4a02-a425-7bf2c9f55c4a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_ba41fbb0-cc89-4a02-a425-7bf2c9f55c4a" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ba41fbb0-cc89-4a02-a425-7bf2c9f55c4a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1faa02a8-0631-43c6-be02-067589c6758d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_ba41fbb0-cc89-4a02-a425-7bf2c9f55c4a" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1faa02a8-0631-43c6-be02-067589c6758d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_89941c8e-ce22-4bc8-91b6-4e65c0b08aaf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1faa02a8-0631-43c6-be02-067589c6758d" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_89941c8e-ce22-4bc8-91b6-4e65c0b08aaf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_a07ca1ef-9f9c-4cdb-85eb-5840f68c15a9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1faa02a8-0631-43c6-be02-067589c6758d" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_a07ca1ef-9f9c-4cdb-85eb-5840f68c15a9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_f995649b-eb1a-4b7d-ad6d-c2c597f35f5e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1faa02a8-0631-43c6-be02-067589c6758d" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_f995649b-eb1a-4b7d-ad6d-c2c597f35f5e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAxis_68c7f94e-38d7-4d03-bfa2-27b778492772" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisTable_9e01c5b1-a7ce-47fb-a8e0-2600986d73d5" xlink:to="loc_us-gaap_CashAndCashEquivalentsAxis_68c7f94e-38d7-4d03-bfa2-27b778492772" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_68c7f94e-38d7-4d03-bfa2-27b778492772_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_68c7f94e-38d7-4d03-bfa2-27b778492772" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_68c7f94e-38d7-4d03-bfa2-27b778492772_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_2550e047-6a04-48b8-b3b4-5a06e8ebf586" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_68c7f94e-38d7-4d03-bfa2-27b778492772" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_2550e047-6a04-48b8-b3b4-5a06e8ebf586" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_c012675e-e7be-416d-9a5c-5838e5b483a0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_2550e047-6a04-48b8-b3b4-5a06e8ebf586" xlink:to="loc_us-gaap_MoneyMarketFundsMember_c012675e-e7be-416d-9a5c-5838e5b483a0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_c090b644-9648-4253-86b0-20132ae49764" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisTable_9e01c5b1-a7ce-47fb-a8e0-2600986d73d5" xlink:to="loc_us-gaap_FinancialInstrumentAxis_c090b644-9648-4253-86b0-20132ae49764" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_c090b644-9648-4253-86b0-20132ae49764_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_c090b644-9648-4253-86b0-20132ae49764" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_c090b644-9648-4253-86b0-20132ae49764_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_84c6019b-897c-4b74-ba55-a4820425bd8b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_c090b644-9648-4253-86b0-20132ae49764" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_84c6019b-897c-4b74-ba55-a4820425bd8b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_c2e5d35a-e52c-47b8-b359-0871a4448210" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_84c6019b-897c-4b74-ba55-a4820425bd8b" xlink:to="loc_us-gaap_MoneyMarketFundsMember_c2e5d35a-e52c-47b8-b359-0871a4448210" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableforsaleSecuritiesMember_2b8f7c81-9af2-482e-bdcf-48d80793d9b7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableforsaleSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_84c6019b-897c-4b74-ba55-a4820425bd8b" xlink:to="loc_us-gaap_AvailableforsaleSecuritiesMember_2b8f7c81-9af2-482e-bdcf-48d80793d9b7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_3b17a0a2-513b-4a3f-98a8-47dfc4d84d20" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisLineItems_628ac319-b1df-43c7-8e87-6a8471fbf277" xlink:to="loc_us-gaap_AssetsAbstract_3b17a0a2-513b-4a3f-98a8-47dfc4d84d20" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsAbstract_19cb7249-3bba-4708-83bd-513bb1cc740d" xlink:href="asur-20241231.xsd#asur_FundsHeldForClientsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_3b17a0a2-513b-4a3f-98a8-47dfc4d84d20" xlink:to="loc_asur_FundsHeldForClientsAbstract_19cb7249-3bba-4708-83bd-513bb1cc740d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_6a660a3e-8085-41ee-a0d0-b1a95dc29b30" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClientsAbstract_19cb7249-3bba-4708-83bd-513bb1cc740d" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_6a660a3e-8085-41ee-a0d0-b1a95dc29b30" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_db7f9591-069b-4d66-84b4-e9b76253fa35" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_3b17a0a2-513b-4a3f-98a8-47dfc4d84d20" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_db7f9591-069b-4d66-84b4-e9b76253fa35" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_26c965da-09d3-4468-987e-412482db44fe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisLineItems_628ac319-b1df-43c7-8e87-6a8471fbf277" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_26c965da-09d3-4468-987e-412482db44fe" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTSDebtSecuritiesAvailableforsaleDetails" xlink:type="simple" xlink:href="asur-20241231.xsd#INVESTMENTSANDFAIRVALUEMEASUREMENTSDebtSecuritiesAvailableforsaleDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTSDebtSecuritiesAvailableforsaleDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5a00f161-67a4-46e9-958f-4a2c7ffe2b79" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_ff53e8de-ca30-45ca-949d-a354541511c3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5a00f161-67a4-46e9-958f-4a2c7ffe2b79" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_ff53e8de-ca30-45ca-949d-a354541511c3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_f0bf4278-ab78-4ac9-a109-d1bf988f36c0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_ff53e8de-ca30-45ca-949d-a354541511c3" xlink:to="loc_us-gaap_FinancialInstrumentAxis_f0bf4278-ab78-4ac9-a109-d1bf988f36c0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_f0bf4278-ab78-4ac9-a109-d1bf988f36c0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_f0bf4278-ab78-4ac9-a109-d1bf988f36c0" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_f0bf4278-ab78-4ac9-a109-d1bf988f36c0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e6717fed-7121-4af6-8261-e840b64baace" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_f0bf4278-ab78-4ac9-a109-d1bf988f36c0" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e6717fed-7121-4af6-8261-e840b64baace" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CertificatesOfDepositMember_08b6d478-f289-4646-b081-a601bd36f155" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CertificatesOfDepositMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e6717fed-7121-4af6-8261-e840b64baace" xlink:to="loc_us-gaap_CertificatesOfDepositMember_08b6d478-f289-4646-b081-a601bd36f155" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_5a74577a-4bea-4597-a338-3b5e3adc3937" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e6717fed-7121-4af6-8261-e840b64baace" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_5a74577a-4bea-4597-a338-3b5e3adc3937" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MunicipalBondsMember_3c03c490-585c-47aa-b7ce-d6dc1a62c0b5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MunicipalBondsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e6717fed-7121-4af6-8261-e840b64baace" xlink:to="loc_us-gaap_MunicipalBondsMember_3c03c490-585c-47aa-b7ce-d6dc1a62c0b5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_cd738e5d-859f-4e5e-909c-07a959c59b9b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e6717fed-7121-4af6-8261-e840b64baace" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_cd738e5d-859f-4e5e-909c-07a959c59b9b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_39ea936a-2ee8-42f0-874a-1d086c32424a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_ff53e8de-ca30-45ca-949d-a354541511c3" xlink:to="loc_us-gaap_InvestmentTypeAxis_39ea936a-2ee8-42f0-874a-1d086c32424a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_39ea936a-2ee8-42f0-874a-1d086c32424a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_39ea936a-2ee8-42f0-874a-1d086c32424a" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_39ea936a-2ee8-42f0-874a-1d086c32424a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_d39dae02-ca9d-493a-a20e-576a3b4483c1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_39ea936a-2ee8-42f0-874a-1d086c32424a" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_d39dae02-ca9d-493a-a20e-576a3b4483c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_IndividuallyMember_c83200bd-0483-4b37-8596-c06c90e4ce7f" xlink:href="asur-20241231.xsd#asur_IndividuallyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_d39dae02-ca9d-493a-a20e-576a3b4483c1" xlink:to="loc_asur_IndividuallyMember_c83200bd-0483-4b37-8596-c06c90e4ce7f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClients2Abstract_888593b8-0986-47d9-bc83-198cc757f85d" xlink:href="asur-20241231.xsd#asur_FundsHeldForClients2Abstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5a00f161-67a4-46e9-958f-4a2c7ffe2b79" xlink:to="loc_asur_FundsHeldForClients2Abstract_888593b8-0986-47d9-bc83-198cc757f85d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_8cb0ae4e-0016-4009-9bea-21923d58bbc1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_888593b8-0986-47d9-bc83-198cc757f85d" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_8cb0ae4e-0016-4009-9bea-21923d58bbc1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_ca941187-7bf8-4c4c-8b4a-72f3e7f639e1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_888593b8-0986-47d9-bc83-198cc757f85d" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_ca941187-7bf8-4c4c-8b4a-72f3e7f639e1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_5a5a441e-9e17-4354-a497-ecc64caa4466" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_888593b8-0986-47d9-bc83-198cc757f85d" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_5a5a441e-9e17-4354-a497-ecc64caa4466" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_14d11412-f095-4f81-a09f-3065c955adc2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_888593b8-0986-47d9-bc83-198cc757f85d" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_14d11412-f095-4f81-a09f-3065c955adc2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecurities_25eda51d-6802-44f1-b0d3-6c1437d4dcd8" xlink:href="asur-20241231.xsd#asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_888593b8-0986-47d9-bc83-198cc757f85d" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecurities_25eda51d-6802-44f1-b0d3-6c1437d4dcd8" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashAndDebtSecuritiesGrossUnrealizedLosses_f56df0f5-a6cb-4b18-8ce5-9ca05b0001f8" xlink:href="asur-20241231.xsd#asur_FundsHeldForClientsRestrictedCashAndDebtSecuritiesGrossUnrealizedLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_888593b8-0986-47d9-bc83-198cc757f85d" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashAndDebtSecuritiesGrossUnrealizedLosses_f56df0f5-a6cb-4b18-8ce5-9ca05b0001f8" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecuritiesGrossUnrealizedGains_26db0eb6-d7a4-4212-b7d1-fc36612c660c" xlink:href="asur-20241231.xsd#asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecuritiesGrossUnrealizedGains"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_888593b8-0986-47d9-bc83-198cc757f85d" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecuritiesGrossUnrealizedGains_26db0eb6-d7a4-4212-b7d1-fc36612c660c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecuritiesAmortizedCost_d88193cb-52b6-495a-b6d6-90de09dc6fbd" xlink:href="asur-20241231.xsd#asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecuritiesAmortizedCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_888593b8-0986-47d9-bc83-198cc757f85d" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecuritiesAmortizedCost_d88193cb-52b6-495a-b6d6-90de09dc6fbd" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_NumberOfSecuritiesInUnrealizedGainPosition_6bee396f-cddd-4881-a687-c7fd70b4fc0e" xlink:href="asur-20241231.xsd#asur_NumberOfSecuritiesInUnrealizedGainPosition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5a00f161-67a4-46e9-958f-4a2c7ffe2b79" xlink:to="loc_asur_NumberOfSecuritiesInUnrealizedGainPosition_6bee396f-cddd-4881-a687-c7fd70b4fc0e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions_3808a40e-59b6-48f7-ab06-feb95ee0329d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5a00f161-67a4-46e9-958f-4a2c7ffe2b79" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions_3808a40e-59b6-48f7-ab06-feb95ee0329d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAmortizedCost_e5480fc0-ec61-4c67-95ee-a85beab92fa2" xlink:href="asur-20241231.xsd#asur_FundsHeldForClientsRestrictedCashEquivalentsAmortizedCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5a00f161-67a4-46e9-958f-4a2c7ffe2b79" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAmortizedCost_e5480fc0-ec61-4c67-95ee-a85beab92fa2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsGrossUnrealizedLosses_879536f5-294d-4603-9809-066edcde7fbb" xlink:href="asur-20241231.xsd#asur_FundsHeldForClientsRestrictedCashEquivalentsGrossUnrealizedLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5a00f161-67a4-46e9-958f-4a2c7ffe2b79" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsGrossUnrealizedLosses_879536f5-294d-4603-9809-066edcde7fbb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashEquivalents_1968ac68-2590-4a78-8713-94727639bf3b" xlink:href="asur-20241231.xsd#asur_FundsHeldForClientsRestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5a00f161-67a4-46e9-958f-4a2c7ffe2b79" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashEquivalents_1968ac68-2590-4a78-8713-94727639bf3b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsGrossUnrealizedGains_8a6cf9fa-0396-4e0c-9a80-efa9ea248c1e" xlink:href="asur-20241231.xsd#asur_FundsHeldForClientsRestrictedCashEquivalentsGrossUnrealizedGains"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5a00f161-67a4-46e9-958f-4a2c7ffe2b79" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsGrossUnrealizedGains_8a6cf9fa-0396-4e0c-9a80-efa9ea248c1e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_AAndAboveInvestmentPortfolioConcentration_d475cb69-a560-4ed7-a2f0-5eaaa69f6b82" xlink:href="asur-20241231.xsd#asur_AAndAboveInvestmentPortfolioConcentration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5a00f161-67a4-46e9-958f-4a2c7ffe2b79" xlink:to="loc_asur_AAndAboveInvestmentPortfolioConcentration_d475cb69-a560-4ed7-a2f0-5eaaa69f6b82" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTSFundsHeldForClientsDetails" xlink:type="simple" xlink:href="asur-20241231.xsd#INVESTMENTSANDFAIRVALUEMEASUREMENTSFundsHeldForClientsDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTSFundsHeldForClientsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_07f01df8-0b1a-48f4-a330-d91fd3f1f42f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_19712a1b-4025-4948-96ca-c56b9bca91a7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_07f01df8-0b1a-48f4-a330-d91fd3f1f42f" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_19712a1b-4025-4948-96ca-c56b9bca91a7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InformationByCategoryOfDebtSecurityAxis_3bc3ea1b-c089-48ae-a2b3-4b428c5948d2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InformationByCategoryOfDebtSecurityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_19712a1b-4025-4948-96ca-c56b9bca91a7" xlink:to="loc_us-gaap_InformationByCategoryOfDebtSecurityAxis_3bc3ea1b-c089-48ae-a2b3-4b428c5948d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain_3bc3ea1b-c089-48ae-a2b3-4b428c5948d2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InformationByCategoryOfDebtSecurityAxis_3bc3ea1b-c089-48ae-a2b3-4b428c5948d2" xlink:to="loc_us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain_3bc3ea1b-c089-48ae-a2b3-4b428c5948d2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain_2b680fa4-0c38-418d-bb8a-a73a43410be0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InformationByCategoryOfDebtSecurityAxis_3bc3ea1b-c089-48ae-a2b3-4b428c5948d2" xlink:to="loc_us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain_2b680fa4-0c38-418d-bb8a-a73a43410be0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableforsaleSecuritiesMember_e8db1b17-6706-49df-85bb-cec9e27d8233" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableforsaleSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain_2b680fa4-0c38-418d-bb8a-a73a43410be0" xlink:to="loc_us-gaap_AvailableforsaleSecuritiesMember_e8db1b17-6706-49df-85bb-cec9e27d8233" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_dd7bbb5f-c04e-4fb0-8c96-5ceef55ca575" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_07f01df8-0b1a-48f4-a330-d91fd3f1f42f" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_dd7bbb5f-c04e-4fb0-8c96-5ceef55ca575" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_c14d8a6a-cbe2-46aa-baf7-9afa691c04e5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_07f01df8-0b1a-48f4-a330-d91fd3f1f42f" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_c14d8a6a-cbe2-46aa-baf7-9afa691c04e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent_4dc97d34-0f17-4704-b461-e02f4d49620a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_07f01df8-0b1a-48f4-a330-d91fd3f1f42f" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent_4dc97d34-0f17-4704-b461-e02f4d49620a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FundsHeldForClients_d757b414-d3e1-463d-a247-9ce072b93721" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FundsHeldForClients"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_07f01df8-0b1a-48f4-a330-d91fd3f1f42f" xlink:to="loc_us-gaap_FundsHeldForClients_d757b414-d3e1-463d-a247-9ce072b93721" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/PROPERTYPLANTANDEQUIPMENTScheduleofPropertyPlantandEquipmentDetails" xlink:type="simple" xlink:href="asur-20241231.xsd#PROPERTYPLANTANDEQUIPMENTScheduleofPropertyPlantandEquipmentDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/PROPERTYPLANTANDEQUIPMENTScheduleofPropertyPlantandEquipmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fe2fc8d5-6018-4c08-bd6c-67ea8fff87bd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_fda658e8-1121-46b1-9017-1c8d3c840dad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fe2fc8d5-6018-4c08-bd6c-67ea8fff87bd" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_fda658e8-1121-46b1-9017-1c8d3c840dad" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_f74c1493-6d18-42e2-8ea2-9780c8969a0b" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_fda658e8-1121-46b1-9017-1c8d3c840dad" xlink:to="loc_srt_RangeAxis_f74c1493-6d18-42e2-8ea2-9780c8969a0b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_f74c1493-6d18-42e2-8ea2-9780c8969a0b_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_f74c1493-6d18-42e2-8ea2-9780c8969a0b" xlink:to="loc_srt_RangeMember_f74c1493-6d18-42e2-8ea2-9780c8969a0b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_af536569-e567-45f4-bcae-9412b7111790" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_f74c1493-6d18-42e2-8ea2-9780c8969a0b" xlink:to="loc_srt_RangeMember_af536569-e567-45f4-bcae-9412b7111790" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_a9c0ed11-144b-41d3-a60c-d716769f5de6" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_af536569-e567-45f4-bcae-9412b7111790" xlink:to="loc_srt_MinimumMember_a9c0ed11-144b-41d3-a60c-d716769f5de6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_d70a5e9b-02ae-41ba-b2be-53f90e504d32" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_af536569-e567-45f4-bcae-9412b7111790" xlink:to="loc_srt_MaximumMember_d70a5e9b-02ae-41ba-b2be-53f90e504d32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_8f56719b-e608-405e-956e-e9eadf672945" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_fda658e8-1121-46b1-9017-1c8d3c840dad" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_8f56719b-e608-405e-956e-e9eadf672945" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_8f56719b-e608-405e-956e-e9eadf672945_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_8f56719b-e608-405e-956e-e9eadf672945" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_8f56719b-e608-405e-956e-e9eadf672945_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_61e2e6da-c336-4fad-9d79-89f89d9cdc67" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_8f56719b-e608-405e-956e-e9eadf672945" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_61e2e6da-c336-4fad-9d79-89f89d9cdc67" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_647a1426-888f-491c-a45d-698051257d93" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FurnitureAndFixturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_61e2e6da-c336-4fad-9d79-89f89d9cdc67" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_647a1426-888f-491c-a45d-698051257d93" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_61ce7c50-1bbb-4077-917d-7b656dabe593" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_61e2e6da-c336-4fad-9d79-89f89d9cdc67" xlink:to="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_61ce7c50-1bbb-4077-917d-7b656dabe593" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_5560df14-3d36-43b9-877b-2139775213bc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseholdImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_61e2e6da-c336-4fad-9d79-89f89d9cdc67" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_5560df14-3d36-43b9-877b-2139775213bc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_05b2a527-bd8f-4486-a2af-0b9a97473da6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_61e2e6da-c336-4fad-9d79-89f89d9cdc67" xlink:to="loc_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_05b2a527-bd8f-4486-a2af-0b9a97473da6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesGross_fb3a5479-0bb4-4e74-bcbb-cb433e768cd5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FurnitureAndFixturesGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fe2fc8d5-6018-4c08-bd6c-67ea8fff87bd" xlink:to="loc_us-gaap_FurnitureAndFixturesGross_fb3a5479-0bb4-4e74-bcbb-cb433e768cd5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareGross_ec32cecb-d71d-4192-861c-5ec39faf192a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CapitalizedComputerSoftwareGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fe2fc8d5-6018-4c08-bd6c-67ea8fff87bd" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareGross_ec32cecb-d71d-4192-861c-5ec39faf192a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOther_56f50b2e-f980-4f4b-a500-ca54e2e82268" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fe2fc8d5-6018-4c08-bd6c-67ea8fff87bd" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentOther_56f50b2e-f980-4f4b-a500-ca54e2e82268" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdImprovementsGross_f5b87cfb-a52b-4d93-aea2-a3f57eb7960e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseholdImprovementsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fe2fc8d5-6018-4c08-bd6c-67ea8fff87bd" xlink:to="loc_us-gaap_LeaseholdImprovementsGross_f5b87cfb-a52b-4d93-aea2-a3f57eb7960e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_5af7742c-7d09-4088-ba23-c870c8aac8e9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fe2fc8d5-6018-4c08-bd6c-67ea8fff87bd" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_5af7742c-7d09-4088-ba23-c870c8aac8e9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_08476201-5e77-425d-9f8d-1d93c8783111" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fe2fc8d5-6018-4c08-bd6c-67ea8fff87bd" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_08476201-5e77-425d-9f8d-1d93c8783111" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_814411c7-0a78-4ac7-be00-bdf093dec985" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fe2fc8d5-6018-4c08-bd6c-67ea8fff87bd" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_814411c7-0a78-4ac7-be00-bdf093dec985" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_2a8698cf-42a3-45f7-a669-fd3b84b25ec7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fe2fc8d5-6018-4c08-bd6c-67ea8fff87bd" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_2a8698cf-42a3-45f7-a669-fd3b84b25ec7" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/PROPERTYPLANTANDEQUIPMENTNarrativeDetails" xlink:type="simple" xlink:href="asur-20241231.xsd#PROPERTYPLANTANDEQUIPMENTNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/PROPERTYPLANTANDEQUIPMENTNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_56722a9a-9872-4d96-aef7-747d4cae66de" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_c3cbc82a-5183-42f8-a1b9-6584262c61aa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_56722a9a-9872-4d96-aef7-747d4cae66de" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_c3cbc82a-5183-42f8-a1b9-6584262c61aa" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_67b3c695-37d7-4ab5-ab36-ae00e2dc5092" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_c3cbc82a-5183-42f8-a1b9-6584262c61aa" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_67b3c695-37d7-4ab5-ab36-ae00e2dc5092" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_67b3c695-37d7-4ab5-ab36-ae00e2dc5092_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_67b3c695-37d7-4ab5-ab36-ae00e2dc5092" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_67b3c695-37d7-4ab5-ab36-ae00e2dc5092_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_d31f4fda-76e9-482e-a1ce-3c4f068d0b49" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_67b3c695-37d7-4ab5-ab36-ae00e2dc5092" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_d31f4fda-76e9-482e-a1ce-3c4f068d0b49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_cb9276da-4402-47f2-8281-f2468f65c907" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_d31f4fda-76e9-482e-a1ce-3c4f068d0b49" xlink:to="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_cb9276da-4402-47f2-8281-f2468f65c907" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_a67f51a4-42f9-4076-9bab-ffa51af958d9" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_c3cbc82a-5183-42f8-a1b9-6584262c61aa" xlink:to="loc_srt_RangeAxis_a67f51a4-42f9-4076-9bab-ffa51af958d9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_a67f51a4-42f9-4076-9bab-ffa51af958d9_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_a67f51a4-42f9-4076-9bab-ffa51af958d9" xlink:to="loc_srt_RangeMember_a67f51a4-42f9-4076-9bab-ffa51af958d9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_d2b9cd33-e13b-40c5-9d03-0b7ca92c9074" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_a67f51a4-42f9-4076-9bab-ffa51af958d9" xlink:to="loc_srt_RangeMember_d2b9cd33-e13b-40c5-9d03-0b7ca92c9074" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationMethod_cfc9a56b-7b0b-4c30-bcf2-502a6eb5c379" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_56722a9a-9872-4d96-aef7-747d4cae66de" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationMethod_cfc9a56b-7b0b-4c30-bcf2-502a6eb5c379" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_5a6c0b1e-c20c-47ae-8b27-2c924b4b1c7d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Depreciation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_56722a9a-9872-4d96-aef7-747d4cae66de" xlink:to="loc_us-gaap_Depreciation_5a6c0b1e-c20c-47ae-8b27-2c924b4b1c7d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_8122de0e-4da4-4004-b44a-0339e54197a0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_56722a9a-9872-4d96-aef7-747d4cae66de" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_8122de0e-4da4-4004-b44a-0339e54197a0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareAdditions_24286f9a-36da-4de7-bddb-74065d61856d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CapitalizedComputerSoftwareAdditions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_56722a9a-9872-4d96-aef7-747d4cae66de" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareAdditions_24286f9a-36da-4de7-bddb-74065d61856d" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/GOODWILLANDOTHERINTANGIBLEASSETSDetailsScheduleofIntangibleAssets" xlink:type="simple" xlink:href="asur-20241231.xsd#GOODWILLANDOTHERINTANGIBLEASSETSDetailsScheduleofIntangibleAssets"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/GOODWILLANDOTHERINTANGIBLEASSETSDetailsScheduleofIntangibleAssets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_fc074e76-12bb-4472-b99e-1568b5e78a51" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_542bfef7-27d4-4e69-a6d4-305d0d5fa2c8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_fc074e76-12bb-4472-b99e-1568b5e78a51" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_542bfef7-27d4-4e69-a6d4-305d0d5fa2c8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_bf2bb48c-1fdd-41b6-9009-e33a27fccaa0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_542bfef7-27d4-4e69-a6d4-305d0d5fa2c8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_bf2bb48c-1fdd-41b6-9009-e33a27fccaa0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_bf2bb48c-1fdd-41b6-9009-e33a27fccaa0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_bf2bb48c-1fdd-41b6-9009-e33a27fccaa0" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_bf2bb48c-1fdd-41b6-9009-e33a27fccaa0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_b177cac2-e430-44a4-b207-50dac112aab1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_bf2bb48c-1fdd-41b6-9009-e33a27fccaa0" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_b177cac2-e430-44a4-b207-50dac112aab1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_0eb199bf-482e-49a5-8ef7-439bc873c38a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_b177cac2-e430-44a4-b207-50dac112aab1" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_0eb199bf-482e-49a5-8ef7-439bc873c38a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerListsMember_dae9e567-0d99-4996-989a-2eecd14f34e2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CustomerListsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_b177cac2-e430-44a4-b207-50dac112aab1" xlink:to="loc_us-gaap_CustomerListsMember_dae9e567-0d99-4996-989a-2eecd14f34e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_f7c03e41-33fa-4245-ba88-6391041ae600" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_b177cac2-e430-44a4-b207-50dac112aab1" xlink:to="loc_us-gaap_TradeNamesMember_f7c03e41-33fa-4245-ba88-6391041ae600" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_19f500ce-a790-48a3-86b0-44d1a5a4f3f9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NoncompeteAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_b177cac2-e430-44a4-b207-50dac112aab1" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_19f500ce-a790-48a3-86b0-44d1a5a4f3f9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_8c5e9591-df6e-428c-9c77-b5cbb188f6c3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_b177cac2-e430-44a4-b207-50dac112aab1" xlink:to="loc_us-gaap_CustomerRelationshipsMember_8c5e9591-df6e-428c-9c77-b5cbb188f6c3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_ce6a0ff5-f53b-4157-99f2-3c4bbc1ccc73" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_fc074e76-12bb-4472-b99e-1568b5e78a51" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_ce6a0ff5-f53b-4157-99f2-3c4bbc1ccc73" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_ba19f0f6-30d3-4e02-a83f-cd4c4d0d95c9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_fc074e76-12bb-4472-b99e-1568b5e78a51" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_ba19f0f6-30d3-4e02-a83f-cd4c4d0d95c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_a13fbdfe-aed3-426a-8063-2e14e90941a4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_fc074e76-12bb-4472-b99e-1568b5e78a51" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_a13fbdfe-aed3-426a-8063-2e14e90941a4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_1d4c854f-48b4-4894-a33b-149db71fc06d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_fc074e76-12bb-4472-b99e-1568b5e78a51" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_1d4c854f-48b4-4894-a33b-149db71fc06d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_56a85e0c-1fd9-43f8-970a-e209550d1ab0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_fc074e76-12bb-4472-b99e-1568b5e78a51" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_56a85e0c-1fd9-43f8-970a-e209550d1ab0" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/NOTESPAYABLEDetailsNarrative" xlink:type="simple" xlink:href="asur-20241231.xsd#NOTESPAYABLEDetailsNarrative"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/NOTESPAYABLEDetailsNarrative" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_NOTESPAYABLEDetailsLineItems_1a4001a8-290d-4537-a02b-ec62a968760f" xlink:href="asur-20241231.xsd#asur_NOTESPAYABLEDetailsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_NOTESPAYABLEDetailsTable_1f203b00-f1f1-459e-b906-a4464ababfe4" xlink:href="asur-20241231.xsd#asur_NOTESPAYABLEDetailsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_1a4001a8-290d-4537-a02b-ec62a968760f" xlink:to="loc_asur_NOTESPAYABLEDetailsTable_1f203b00-f1f1-459e-b906-a4464ababfe4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_c4157ef3-b40b-4848-9f8c-a92e381b6ce1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_NOTESPAYABLEDetailsTable_1f203b00-f1f1-459e-b906-a4464ababfe4" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_c4157ef3-b40b-4848-9f8c-a92e381b6ce1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_c4157ef3-b40b-4848-9f8c-a92e381b6ce1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_c4157ef3-b40b-4848-9f8c-a92e381b6ce1" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_c4157ef3-b40b-4848-9f8c-a92e381b6ce1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_f0c98cb5-aaa5-484e-a140-c45d710e33f1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_c4157ef3-b40b-4848-9f8c-a92e381b6ce1" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_f0c98cb5-aaa5-484e-a140-c45d710e33f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember_a160f0bc-39a2-4bb8-bda0-bbc14549524f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NotesPayableOtherPayablesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_f0c98cb5-aaa5-484e-a140-c45d710e33f1" xlink:to="loc_us-gaap_NotesPayableOtherPayablesMember_a160f0bc-39a2-4bb8-bda0-bbc14549524f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_SecuredPromissoryNoteMember_7daedd8d-b951-41dc-bbab-b55da972803d" xlink:href="asur-20241231.xsd#asur_SecuredPromissoryNoteMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_f0c98cb5-aaa5-484e-a140-c45d710e33f1" xlink:to="loc_asur_SecuredPromissoryNoteMember_7daedd8d-b951-41dc-bbab-b55da972803d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_NotesPayableAcquisitionsMember_2e0f6209-ccfb-417b-9415-2803d88ca6e7" xlink:href="asur-20241231.xsd#asur_NotesPayableAcquisitionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_f0c98cb5-aaa5-484e-a140-c45d710e33f1" xlink:to="loc_asur_NotesPayableAcquisitionsMember_2e0f6209-ccfb-417b-9415-2803d88ca6e7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_dee0c830-03e6-4285-ac69-f68b91a4ee63" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_NOTESPAYABLEDetailsTable_1f203b00-f1f1-459e-b906-a4464ababfe4" xlink:to="loc_srt_RangeAxis_dee0c830-03e6-4285-ac69-f68b91a4ee63" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_dee0c830-03e6-4285-ac69-f68b91a4ee63_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_dee0c830-03e6-4285-ac69-f68b91a4ee63" xlink:to="loc_srt_RangeMember_dee0c830-03e6-4285-ac69-f68b91a4ee63_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_188962bb-19c6-4d04-9967-c54e1d1f46c4" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_dee0c830-03e6-4285-ac69-f68b91a4ee63" xlink:to="loc_srt_RangeMember_188962bb-19c6-4d04-9967-c54e1d1f46c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_6bc40083-3371-42b6-a7c6-06c05ae77a7f" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_188962bb-19c6-4d04-9967-c54e1d1f46c4" xlink:to="loc_srt_MinimumMember_6bc40083-3371-42b6-a7c6-06c05ae77a7f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_39fd6e8a-b641-4372-a780-dbc69bec701c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_NOTESPAYABLEDetailsTable_1f203b00-f1f1-459e-b906-a4464ababfe4" xlink:to="loc_us-gaap_AssetAcquisitionAxis_39fd6e8a-b641-4372-a780-dbc69bec701c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_39fd6e8a-b641-4372-a780-dbc69bec701c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_39fd6e8a-b641-4372-a780-dbc69bec701c" xlink:to="loc_us-gaap_AssetAcquisitionDomain_39fd6e8a-b641-4372-a780-dbc69bec701c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_c7d39b89-4058-432d-9d68-ea3896868e9c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_39fd6e8a-b641-4372-a780-dbc69bec701c" xlink:to="loc_us-gaap_AssetAcquisitionDomain_c7d39b89-4058-432d-9d68-ea3896868e9c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_A2021AcquisitionsMember_ad01580f-e037-4f4d-bda8-7607205b2437" xlink:href="asur-20241231.xsd#asur_A2021AcquisitionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_c7d39b89-4058-432d-9d68-ea3896868e9c" xlink:to="loc_asur_A2021AcquisitionsMember_ad01580f-e037-4f4d-bda8-7607205b2437" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LineOfCreditFacilityFinalPaymentFeeAmount_621dd3a9-fb0e-469e-9c81-bde06ddb01bf" xlink:href="asur-20241231.xsd#asur_LineOfCreditFacilityFinalPaymentFeeAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_1a4001a8-290d-4537-a02b-ec62a968760f" xlink:to="loc_asur_LineOfCreditFacilityFinalPaymentFeeAmount_621dd3a9-fb0e-469e-9c81-bde06ddb01bf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LineOfCreditFacilityLendersFeeAmount_f9eed106-68c0-4329-9168-54a92772480a" xlink:href="asur-20241231.xsd#asur_LineOfCreditFacilityLendersFeeAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_1a4001a8-290d-4537-a02b-ec62a968760f" xlink:to="loc_asur_LineOfCreditFacilityLendersFeeAmount_f9eed106-68c0-4329-9168-54a92772480a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LineOfCreditFacilityFinalPaymentFeePercentageOfIncreaseInMarketCapitalization_6bca498d-74ed-43f8-83bd-02452533d15d" xlink:href="asur-20241231.xsd#asur_LineOfCreditFacilityFinalPaymentFeePercentageOfIncreaseInMarketCapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_1a4001a8-290d-4537-a02b-ec62a968760f" xlink:to="loc_asur_LineOfCreditFacilityFinalPaymentFeePercentageOfIncreaseInMarketCapitalization_6bca498d-74ed-43f8-83bd-02452533d15d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_b2c939fe-c75c-4941-9b49-f452e808d228" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_1a4001a8-290d-4537-a02b-ec62a968760f" xlink:to="loc_us-gaap_RepaymentsOfDebt_b2c939fe-c75c-4941-9b49-f452e808d228" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRepaidPrincipal_d7f89d55-6bb4-499f-afc4-21d39c5dd44f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRepaidPrincipal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_1a4001a8-290d-4537-a02b-ec62a968760f" xlink:to="loc_us-gaap_DebtInstrumentRepaidPrincipal_d7f89d55-6bb4-499f-afc4-21d39c5dd44f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_c01a1b4b-2615-4dd7-bd84-6fdbb9ba312f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfDebtExtinguishmentCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_1a4001a8-290d-4537-a02b-ec62a968760f" xlink:to="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_c01a1b4b-2615-4dd7-bd84-6fdbb9ba312f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_DebtInstrumentNonUtilizationFeeAndLenderExpense_f6bdaae3-8c6d-4c59-9688-ab0bbfc79117" xlink:href="asur-20241231.xsd#asur_DebtInstrumentNonUtilizationFeeAndLenderExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_1a4001a8-290d-4537-a02b-ec62a968760f" xlink:to="loc_asur_DebtInstrumentNonUtilizationFeeAndLenderExpense_f6bdaae3-8c6d-4c59-9688-ab0bbfc79117" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_DebtPrepaymentPenaltyPercent_7f1d725b-db37-4402-aff3-412ef2477ad8" xlink:href="asur-20241231.xsd#asur_DebtPrepaymentPenaltyPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_1a4001a8-290d-4537-a02b-ec62a968760f" xlink:to="loc_asur_DebtPrepaymentPenaltyPercent_7f1d725b-db37-4402-aff3-412ef2477ad8" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayable_aceaf8b2-b4f9-4412-b92c-f379c43a4144" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NotesPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_1a4001a8-290d-4537-a02b-ec62a968760f" xlink:to="loc_us-gaap_NotesPayable_aceaf8b2-b4f9-4412-b92c-f379c43a4144" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionContingentConsiderationLiability_e47e19c1-7e08-4434-8ff1-56f440874e17" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionContingentConsiderationLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_1a4001a8-290d-4537-a02b-ec62a968760f" xlink:to="loc_us-gaap_AssetAcquisitionContingentConsiderationLiability_e47e19c1-7e08-4434-8ff1-56f440874e17" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_6bbb3e7f-c435-4fa0-be06-64f965a135b4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_1a4001a8-290d-4537-a02b-ec62a968760f" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_6bbb3e7f-c435-4fa0-be06-64f965a135b4" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/NOTESPAYABLEDetailsScheduleofDebt" xlink:type="simple" xlink:href="asur-20241231.xsd#NOTESPAYABLEDetailsScheduleofDebt"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/NOTESPAYABLEDetailsScheduleofDebt" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_1e90fb45-15d6-40ec-ac0a-08635aec08b8" xlink:href="asur-20241231.xsd#asur_NOTESPAYABLEDetailsScheduleofDebtLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_NOTESPAYABLEDetailsScheduleofDebtTable_9599210c-42cd-4b01-a665-b36988a23a76" xlink:href="asur-20241231.xsd#asur_NOTESPAYABLEDetailsScheduleofDebtTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_1e90fb45-15d6-40ec-ac0a-08635aec08b8" xlink:to="loc_asur_NOTESPAYABLEDetailsScheduleofDebtTable_9599210c-42cd-4b01-a665-b36988a23a76" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_246ed43f-3835-47d5-bcce-d6630cca4ec8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtTable_9599210c-42cd-4b01-a665-b36988a23a76" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_246ed43f-3835-47d5-bcce-d6630cca4ec8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_246ed43f-3835-47d5-bcce-d6630cca4ec8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_246ed43f-3835-47d5-bcce-d6630cca4ec8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_246ed43f-3835-47d5-bcce-d6630cca4ec8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_b9b29857-45d2-40c9-8376-fcd56ed8d7d1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_246ed43f-3835-47d5-bcce-d6630cca4ec8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_b9b29857-45d2-40c9-8376-fcd56ed8d7d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember_e29fcb9c-3b65-44ce-82a4-19a10dddbea3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NotesPayableOtherPayablesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_b9b29857-45d2-40c9-8376-fcd56ed8d7d1" xlink:to="loc_us-gaap_NotesPayableOtherPayablesMember_e29fcb9c-3b65-44ce-82a4-19a10dddbea3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_NotesPayableAcquisitionsMember_b8d0ae53-8caf-4735-bf4f-270e845ca258" xlink:href="asur-20241231.xsd#asur_NotesPayableAcquisitionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_b9b29857-45d2-40c9-8376-fcd56ed8d7d1" xlink:to="loc_asur_NotesPayableAcquisitionsMember_b8d0ae53-8caf-4735-bf4f-270e845ca258" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_685a05f8-17a4-4a9a-8ca6-336a27c30d18" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtTable_9599210c-42cd-4b01-a665-b36988a23a76" xlink:to="loc_srt_RangeAxis_685a05f8-17a4-4a9a-8ca6-336a27c30d18" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_685a05f8-17a4-4a9a-8ca6-336a27c30d18_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_685a05f8-17a4-4a9a-8ca6-336a27c30d18" xlink:to="loc_srt_RangeMember_685a05f8-17a4-4a9a-8ca6-336a27c30d18_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_5f2b2e9e-61cf-443b-a767-04243964b4b1" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_685a05f8-17a4-4a9a-8ca6-336a27c30d18" xlink:to="loc_srt_RangeMember_5f2b2e9e-61cf-443b-a767-04243964b4b1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_5becaaf1-063c-4ef4-9911-1ba55569f6e3" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_5f2b2e9e-61cf-443b-a767-04243964b4b1" xlink:to="loc_srt_MinimumMember_5becaaf1-063c-4ef4-9911-1ba55569f6e3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_fd24b92d-8964-4ea3-bafb-cc9d8d5d1348" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_5f2b2e9e-61cf-443b-a767-04243964b4b1" xlink:to="loc_srt_MaximumMember_fd24b92d-8964-4ea3-bafb-cc9d8d5d1348" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentMaturityDateDescription_94435fac-dea0-4088-aad8-ab6252ad2566" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentMaturityDateDescription"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_1e90fb45-15d6-40ec-ac0a-08635aec08b8" xlink:to="loc_us-gaap_DebtInstrumentMaturityDateDescription_94435fac-dea0-4088-aad8-ab6252ad2566" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_809c1cc9-aebc-4dee-8cea-ae47e42d722f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_1e90fb45-15d6-40ec-ac0a-08635aec08b8" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_809c1cc9-aebc-4dee-8cea-ae47e42d722f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_7d7ee3a0-f2e9-4867-8fda-4a521fcdf7a8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_1e90fb45-15d6-40ec-ac0a-08635aec08b8" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_7d7ee3a0-f2e9-4867-8fda-4a521fcdf7a8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableCurrent_bc564033-1382-49d1-949b-fc1dade851a4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NotesPayableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_1e90fb45-15d6-40ec-ac0a-08635aec08b8" xlink:to="loc_us-gaap_NotesPayableCurrent_bc564033-1382-49d1-949b-fc1dade851a4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermNotesPayable_d590c08c-df32-43cd-bb4f-d414e63df8a4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermNotesPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_1e90fb45-15d6-40ec-ac0a-08635aec08b8" xlink:to="loc_us-gaap_LongTermNotesPayable_d590c08c-df32-43cd-bb4f-d414e63df8a4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_07a5918f-04da-4040-99f0-83b06bf86425" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_1e90fb45-15d6-40ec-ac0a-08635aec08b8" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_07a5918f-04da-4040-99f0-83b06bf86425" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_DebtInstrumentNumberOfInstruments_8ae79479-e8df-40f2-a49f-f602bdfd3fe3" xlink:href="asur-20241231.xsd#asur_DebtInstrumentNumberOfInstruments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_1e90fb45-15d6-40ec-ac0a-08635aec08b8" xlink:to="loc_asur_DebtInstrumentNumberOfInstruments_8ae79479-e8df-40f2-a49f-f602bdfd3fe3" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/NOTESPAYABLEDetailsScheduleofDebtandDebtIssuanceCosts" xlink:type="simple" xlink:href="asur-20241231.xsd#NOTESPAYABLEDetailsScheduleofDebtandDebtIssuanceCosts"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/NOTESPAYABLEDetailsScheduleofDebtandDebtIssuanceCosts" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_NOTESPAYABLEDetailsLineItems_effb85af-9347-4c41-bdd6-7a4a21ec1cfc" xlink:href="asur-20241231.xsd#asur_NOTESPAYABLEDetailsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_NOTESPAYABLEDetailsTable_170183f3-7c52-4922-8533-c586822d1823" xlink:href="asur-20241231.xsd#asur_NOTESPAYABLEDetailsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_effb85af-9347-4c41-bdd6-7a4a21ec1cfc" xlink:to="loc_asur_NOTESPAYABLEDetailsTable_170183f3-7c52-4922-8533-c586822d1823" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_1bee2e78-71eb-462c-99b8-2955c927600e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_NOTESPAYABLEDetailsTable_170183f3-7c52-4922-8533-c586822d1823" xlink:to="loc_us-gaap_DebtInstrumentAxis_1bee2e78-71eb-462c-99b8-2955c927600e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_1bee2e78-71eb-462c-99b8-2955c927600e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_1bee2e78-71eb-462c-99b8-2955c927600e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_1bee2e78-71eb-462c-99b8-2955c927600e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_a199f530-da89-4d59-a724-60d4efe7319e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_1bee2e78-71eb-462c-99b8-2955c927600e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_a199f530-da89-4d59-a724-60d4efe7319e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsCurrentGross_0c4a9663-9d39-4497-9a6d-1463da4b16d2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFinanceCostsCurrentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_effb85af-9347-4c41-bdd6-7a4a21ec1cfc" xlink:to="loc_us-gaap_DeferredFinanceCostsCurrentGross_0c4a9663-9d39-4497-9a6d-1463da4b16d2" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetails" xlink:type="simple" xlink:href="asur-20241231.xsd#CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:href="asur-20241231.xsd#asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable_90e833d3-52a3-4e46-9d7a-f297eb87ddfa" xlink:href="asur-20241231.xsd#asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable_90e833d3-52a3-4e46-9d7a-f297eb87ddfa" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_d6a48ca3-473b-4c4f-8dae-053ff7141b75" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable_90e833d3-52a3-4e46-9d7a-f297eb87ddfa" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_d6a48ca3-473b-4c4f-8dae-053ff7141b75" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementAxis_9df32aa0-d876-4deb-b73b-6690485c132f" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RestatementAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable_90e833d3-52a3-4e46-9d7a-f297eb87ddfa" xlink:to="loc_srt_RestatementAxis_9df32aa0-d876-4deb-b73b-6690485c132f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_9df32aa0-d876-4deb-b73b-6690485c132f_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RestatementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RestatementAxis_9df32aa0-d876-4deb-b73b-6690485c132f" xlink:to="loc_srt_RestatementDomain_9df32aa0-d876-4deb-b73b-6690485c132f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_3a7090d4-95b1-4ac1-8612-b4fc594955ea" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RestatementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RestatementAxis_9df32aa0-d876-4deb-b73b-6690485c132f" xlink:to="loc_srt_RestatementDomain_3a7090d4-95b1-4ac1-8612-b4fc594955ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_b43f20e7-7473-49e1-b656-ffe4e1801dd9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable_90e833d3-52a3-4e46-9d7a-f297eb87ddfa" xlink:to="loc_us-gaap_DebtInstrumentAxis_b43f20e7-7473-49e1-b656-ffe4e1801dd9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_b43f20e7-7473-49e1-b656-ffe4e1801dd9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_b43f20e7-7473-49e1-b656-ffe4e1801dd9" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_b43f20e7-7473-49e1-b656-ffe4e1801dd9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_229424ba-0ff4-4aab-813c-08c6f0a922fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_b43f20e7-7473-49e1-b656-ffe4e1801dd9" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_229424ba-0ff4-4aab-813c-08c6f0a922fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss_4d6575ef-0226-4c1d-a278-4753cc52e5e9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss_4d6575ef-0226-4c1d-a278-4753cc52e5e9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfDeferredSalesCommissions_262d9f49-9208-46a9-a832-c001369cb56f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfDeferredSalesCommissions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_AmortizationOfDeferredSalesCommissions_262d9f49-9208-46a9-a832-c001369cb56f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRevenueRevenueRecognized1_415ff1b3-a164-42bf-b283-c2d5574563ea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredRevenueRevenueRecognized1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_DeferredRevenueRevenueRecognized1_415ff1b3-a164-42bf-b283-c2d5574563ea" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_0f0713e1-8dc8-4c42-9a15-7805f2b000be" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_0f0713e1-8dc8-4c42-9a15-7805f2b000be" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_a3903587-87b6-4ec2-996e-62c75c1c785e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_a3903587-87b6-4ec2-996e-62c75c1c785e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_ac236b7b-54ac-46ce-bd01-0c8f0c41d970" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_ac236b7b-54ac-46ce-bd01-0c8f0c41d970" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedSalesCommissionCurrentAndNoncurrent_593be2de-68dc-4b22-8732-f3abe587c547" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedSalesCommissionCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_AccruedSalesCommissionCurrentAndNoncurrent_593be2de-68dc-4b22-8732-f3abe587c547" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_e0cd2a98-dcff-4b4f-abb4-7285a4ed67f1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_e0cd2a98-dcff-4b4f-abb4-7285a4ed67f1" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries_1f3ca56d-82b0-48fa-8a64-e68b2bbb3180" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries_1f3ca56d-82b0-48fa-8a64-e68b2bbb3180" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_f0763da3-d1a2-4f99-9b96-6e2a50fe2bcd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_f0763da3-d1a2-4f99-9b96-6e2a50fe2bcd" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNet_963eee1e-072f-4f83-89c3-c88ec7dd6a95" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_ContractWithCustomerAssetNet_963eee1e-072f-4f83-89c3-c88ec7dd6a95" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetails_1" xlink:type="simple" xlink:href="asur-20241231.xsd#CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetails_1"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:href="asur-20241231.xsd#asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable_90e833d3-52a3-4e46-9d7a-f297eb87ddfa" xlink:href="asur-20241231.xsd#asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable_90e833d3-52a3-4e46-9d7a-f297eb87ddfa" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementAxis_9df32aa0-d876-4deb-b73b-6690485c132f" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RestatementAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable_90e833d3-52a3-4e46-9d7a-f297eb87ddfa" xlink:to="loc_srt_RestatementAxis_9df32aa0-d876-4deb-b73b-6690485c132f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_9df32aa0-d876-4deb-b73b-6690485c132f_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RestatementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RestatementAxis_9df32aa0-d876-4deb-b73b-6690485c132f" xlink:to="loc_srt_RestatementDomain_9df32aa0-d876-4deb-b73b-6690485c132f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_3a7090d4-95b1-4ac1-8612-b4fc594955ea" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RestatementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RestatementAxis_9df32aa0-d876-4deb-b73b-6690485c132f" xlink:to="loc_srt_RestatementDomain_3a7090d4-95b1-4ac1-8612-b4fc594955ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_b43f20e7-7473-49e1-b656-ffe4e1801dd9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsTable_90e833d3-52a3-4e46-9d7a-f297eb87ddfa" xlink:to="loc_us-gaap_DebtInstrumentAxis_b43f20e7-7473-49e1-b656-ffe4e1801dd9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_b43f20e7-7473-49e1-b656-ffe4e1801dd9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_b43f20e7-7473-49e1-b656-ffe4e1801dd9" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_b43f20e7-7473-49e1-b656-ffe4e1801dd9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_229424ba-0ff4-4aab-813c-08c6f0a922fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_b43f20e7-7473-49e1-b656-ffe4e1801dd9" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_229424ba-0ff4-4aab-813c-08c6f0a922fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss_4d6575ef-0226-4c1d-a278-4753cc52e5e9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss_4d6575ef-0226-4c1d-a278-4753cc52e5e9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfDeferredSalesCommissions_262d9f49-9208-46a9-a832-c001369cb56f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfDeferredSalesCommissions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_AmortizationOfDeferredSalesCommissions_262d9f49-9208-46a9-a832-c001369cb56f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRevenueRevenueRecognized1_415ff1b3-a164-42bf-b283-c2d5574563ea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredRevenueRevenueRecognized1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_DeferredRevenueRevenueRecognized1_415ff1b3-a164-42bf-b283-c2d5574563ea" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_0f0713e1-8dc8-4c42-9a15-7805f2b000be" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_0f0713e1-8dc8-4c42-9a15-7805f2b000be" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_a3903587-87b6-4ec2-996e-62c75c1c785e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_a3903587-87b6-4ec2-996e-62c75c1c785e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_ac236b7b-54ac-46ce-bd01-0c8f0c41d970" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_ac236b7b-54ac-46ce-bd01-0c8f0c41d970" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedSalesCommissionCurrentAndNoncurrent_593be2de-68dc-4b22-8732-f3abe587c547" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedSalesCommissionCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_AccruedSalesCommissionCurrentAndNoncurrent_593be2de-68dc-4b22-8732-f3abe587c547" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_e0cd2a98-dcff-4b4f-abb4-7285a4ed67f1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_e0cd2a98-dcff-4b4f-abb4-7285a4ed67f1" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries_1f3ca56d-82b0-48fa-8a64-e68b2bbb3180" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries_1f3ca56d-82b0-48fa-8a64-e68b2bbb3180" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_f0763da3-d1a2-4f99-9b96-6e2a50fe2bcd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_f0763da3-d1a2-4f99-9b96-6e2a50fe2bcd" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNet_963eee1e-072f-4f83-89c3-c88ec7dd6a95" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetailsLineItems_14e87d1d-f000-400c-a754-b03d49cb2d9a" xlink:to="loc_us-gaap_ContractWithCustomerAssetNet_963eee1e-072f-4f83-89c3-c88ec7dd6a95" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/LEASESDetails" xlink:type="simple" xlink:href="asur-20241231.xsd#LEASESDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/LEASESDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_LEASESDetailsLineItems_643a8d59-cded-4ac0-819b-03fd23f8a797" xlink:href="asur-20241231.xsd#asur_LEASESDetailsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LEASESDetailsTable_04f834d6-130c-47ab-b030-58f34b0735e0" xlink:href="asur-20241231.xsd#asur_LEASESDetailsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_LEASESDetailsLineItems_643a8d59-cded-4ac0-819b-03fd23f8a797" xlink:to="loc_asur_LEASESDetailsTable_04f834d6-130c-47ab-b030-58f34b0735e0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_57699c69-e2ca-4f80-8edd-320623120884" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_LEASESDetailsTable_04f834d6-130c-47ab-b030-58f34b0735e0" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_57699c69-e2ca-4f80-8edd-320623120884" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_57699c69-e2ca-4f80-8edd-320623120884_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_57699c69-e2ca-4f80-8edd-320623120884" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_57699c69-e2ca-4f80-8edd-320623120884_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_38273358-3062-4661-b913-68646684d48d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_57699c69-e2ca-4f80-8edd-320623120884" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_38273358-3062-4661-b913-68646684d48d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_ed5c61d0-54b0-4173-ae81-703c25462fb3" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_LEASESDetailsTable_04f834d6-130c-47ab-b030-58f34b0735e0" xlink:to="loc_srt_RangeAxis_ed5c61d0-54b0-4173-ae81-703c25462fb3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_ed5c61d0-54b0-4173-ae81-703c25462fb3_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_ed5c61d0-54b0-4173-ae81-703c25462fb3" xlink:to="loc_srt_RangeMember_ed5c61d0-54b0-4173-ae81-703c25462fb3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_360965da-aa6b-491c-a0ea-5bc6e6b53a2c" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_ed5c61d0-54b0-4173-ae81-703c25462fb3" xlink:to="loc_srt_RangeMember_360965da-aa6b-491c-a0ea-5bc6e6b53a2c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_44b432a4-6f65-4938-bbdc-50d7c74fdff8" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_360965da-aa6b-491c-a0ea-5bc6e6b53a2c" xlink:to="loc_srt_MinimumMember_44b432a4-6f65-4938-bbdc-50d7c74fdff8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_1c583656-d2cf-4955-ba76-e2966460c1d0" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_360965da-aa6b-491c-a0ea-5bc6e6b53a2c" xlink:to="loc_srt_MaximumMember_1c583656-d2cf-4955-ba76-e2966460c1d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseTermOfContract_b34d80b2-0db1-4140-aaa4-c2c5a74d17a1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseTermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_LEASESDetailsLineItems_643a8d59-cded-4ac0-819b-03fd23f8a797" xlink:to="loc_us-gaap_LesseeOperatingLeaseTermOfContract_b34d80b2-0db1-4140-aaa4-c2c5a74d17a1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_579accd5-948a-488f-b304-83d3193f1055" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_LEASESDetailsLineItems_643a8d59-cded-4ac0-819b-03fd23f8a797" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_579accd5-948a-488f-b304-83d3193f1055" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_f00ce000-1a4d-42ad-819d-53636eda07f1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_LEASESDetailsLineItems_643a8d59-cded-4ac0-819b-03fd23f8a797" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_f00ce000-1a4d-42ad-819d-53636eda07f1" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/LEASESDetailsLesseeOperatingLeaseDisclosure" xlink:type="simple" xlink:href="asur-20241231.xsd#LEASESDetailsLesseeOperatingLeaseDisclosure"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/LEASESDetailsLesseeOperatingLeaseDisclosure" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_LEASESDetailsLineItems_b3d6e25e-e4fb-4ee9-b296-5338ab06f6ae" xlink:href="asur-20241231.xsd#asur_LEASESDetailsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LEASESDetailsTable_3760c211-b6da-4bc7-92ef-add26bc33218" xlink:href="asur-20241231.xsd#asur_LEASESDetailsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_LEASESDetailsLineItems_b3d6e25e-e4fb-4ee9-b296-5338ab06f6ae" xlink:to="loc_asur_LEASESDetailsTable_3760c211-b6da-4bc7-92ef-add26bc33218" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_9c6025fb-324d-4695-bf02-c5c3ee93636e" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_LEASESDetailsTable_3760c211-b6da-4bc7-92ef-add26bc33218" xlink:to="loc_srt_RangeAxis_9c6025fb-324d-4695-bf02-c5c3ee93636e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_9c6025fb-324d-4695-bf02-c5c3ee93636e_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_9c6025fb-324d-4695-bf02-c5c3ee93636e" xlink:to="loc_srt_RangeMember_9c6025fb-324d-4695-bf02-c5c3ee93636e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_9fdc4011-086d-4ddb-a966-3867f7349280" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_9c6025fb-324d-4695-bf02-c5c3ee93636e" xlink:to="loc_srt_RangeMember_9fdc4011-086d-4ddb-a966-3867f7349280" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_8bccc0b4-4fa4-4644-a18d-3b8df2d98c1a" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_9fdc4011-086d-4ddb-a966-3867f7349280" xlink:to="loc_srt_MinimumMember_8bccc0b4-4fa4-4644-a18d-3b8df2d98c1a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_4b6a64b1-832d-416d-b3b9-7f37af19d0fc" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_9fdc4011-086d-4ddb-a966-3867f7349280" xlink:to="loc_srt_MaximumMember_4b6a64b1-832d-416d-b3b9-7f37af19d0fc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseTermOfContract_9cd9d008-d22b-4d19-b207-ea1caa8dbc8d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseTermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_LEASESDetailsLineItems_b3d6e25e-e4fb-4ee9-b296-5338ab06f6ae" xlink:to="loc_us-gaap_LesseeOperatingLeaseTermOfContract_9cd9d008-d22b-4d19-b207-ea1caa8dbc8d" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/STOCKHOLDERSEQUITYEMPLOYEEBENEFITPLANSANDSHAREBASEDCOMPENSATIONDetails" xlink:type="simple" xlink:href="asur-20241231.xsd#STOCKHOLDERSEQUITYEMPLOYEEBENEFITPLANSANDSHAREBASEDCOMPENSATIONDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/STOCKHOLDERSEQUITYEMPLOYEEBENEFITPLANSANDSHAREBASEDCOMPENSATIONDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:href="asur-20241231.xsd#asur_STOCKHOLDERSEQUITYDetailsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_STOCKHOLDERSEQUITYDetailsTable_e116b0b0-cabd-4390-9a48-519d38309fa3" xlink:href="asur-20241231.xsd#asur_STOCKHOLDERSEQUITYDetailsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_asur_STOCKHOLDERSEQUITYDetailsTable_e116b0b0-cabd-4390-9a48-519d38309fa3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_c95ff55d-d508-4d07-8e51-76898f65eefe" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsTable_e116b0b0-cabd-4390-9a48-519d38309fa3" xlink:to="loc_srt_RangeAxis_c95ff55d-d508-4d07-8e51-76898f65eefe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_c95ff55d-d508-4d07-8e51-76898f65eefe_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_c95ff55d-d508-4d07-8e51-76898f65eefe" xlink:to="loc_srt_RangeMember_c95ff55d-d508-4d07-8e51-76898f65eefe_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_497b8693-2e86-44ce-b849-8ab4992f68c5" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_c95ff55d-d508-4d07-8e51-76898f65eefe" xlink:to="loc_srt_RangeMember_497b8693-2e86-44ce-b849-8ab4992f68c5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_557865a4-a4f9-4efc-b6ea-5c0161f08279" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_497b8693-2e86-44ce-b849-8ab4992f68c5" xlink:to="loc_srt_MaximumMember_557865a4-a4f9-4efc-b6ea-5c0161f08279" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_cbb37487-d8cf-4301-ac00-d8bf3f5f7e34" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_497b8693-2e86-44ce-b849-8ab4992f68c5" xlink:to="loc_srt_MinimumMember_cbb37487-d8cf-4301-ac00-d8bf3f5f7e34" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_e5812b5d-8883-4b19-be26-46130685bf68" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsTable_e116b0b0-cabd-4390-9a48-519d38309fa3" xlink:to="loc_us-gaap_PlanNameAxis_e5812b5d-8883-4b19-be26-46130685bf68" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_e5812b5d-8883-4b19-be26-46130685bf68_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_e5812b5d-8883-4b19-be26-46130685bf68" xlink:to="loc_us-gaap_PlanNameDomain_e5812b5d-8883-4b19-be26-46130685bf68_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_870ddb1c-e9ab-4614-a14f-173e18eb3241" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_e5812b5d-8883-4b19-be26-46130685bf68" xlink:to="loc_us-gaap_PlanNameDomain_870ddb1c-e9ab-4614-a14f-173e18eb3241" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_A2018PlanMember_dcd69308-06cd-4d80-a43c-794ddece467f" xlink:href="asur-20241231.xsd#asur_A2018PlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_870ddb1c-e9ab-4614-a14f-173e18eb3241" xlink:to="loc_asur_A2018PlanMember_dcd69308-06cd-4d80-a43c-794ddece467f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_PurchasePlanMember_9082ba47-398b-4fa6-b8fb-56849451445f" xlink:href="asur-20241231.xsd#asur_PurchasePlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_870ddb1c-e9ab-4614-a14f-173e18eb3241" xlink:to="loc_asur_PurchasePlanMember_9082ba47-398b-4fa6-b8fb-56849451445f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_83138f0e-a933-4092-bc43-a9cc0494c0bb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsTable_e116b0b0-cabd-4390-9a48-519d38309fa3" xlink:to="loc_us-gaap_AwardTypeAxis_83138f0e-a933-4092-bc43-a9cc0494c0bb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_83138f0e-a933-4092-bc43-a9cc0494c0bb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_83138f0e-a933-4092-bc43-a9cc0494c0bb" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_83138f0e-a933-4092-bc43-a9cc0494c0bb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9d097124-87b8-44b5-942e-ac4f8cb37472" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_83138f0e-a933-4092-bc43-a9cc0494c0bb" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9d097124-87b8-44b5-942e-ac4f8cb37472" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_72bb72c7-7850-47b1-8167-231f8f2c1a97" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9d097124-87b8-44b5-942e-ac4f8cb37472" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_72bb72c7-7850-47b1-8167-231f8f2c1a97" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockOptionMember_a417a7b8-50d3-4c3c-aa16-4624d9a99696" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9d097124-87b8-44b5-942e-ac4f8cb37472" xlink:to="loc_us-gaap_StockOptionMember_a417a7b8-50d3-4c3c-aa16-4624d9a99696" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_A2018PlanMember_196ecacb-94aa-4de6-b2f5-36b1bc6a89d0" xlink:href="asur-20241231.xsd#asur_A2018PlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9d097124-87b8-44b5-942e-ac4f8cb37472" xlink:to="loc_asur_A2018PlanMember_196ecacb-94aa-4de6-b2f5-36b1bc6a89d0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockCompensationPlanMember_e965fc2b-e68e-4402-a5f8-38d0dde6c822" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockCompensationPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9d097124-87b8-44b5-942e-ac4f8cb37472" xlink:to="loc_us-gaap_StockCompensationPlanMember_e965fc2b-e68e-4402-a5f8-38d0dde6c822" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_22506473-ce75-47a6-839c-68d4570dc1c3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9d097124-87b8-44b5-942e-ac4f8cb37472" xlink:to="loc_us-gaap_EmployeeStockOptionMember_22506473-ce75-47a6-839c-68d4570dc1c3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_0bfb5d2a-e968-405d-9d6b-6ad297e6192f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9d097124-87b8-44b5-942e-ac4f8cb37472" xlink:to="loc_us-gaap_PerformanceSharesMember_0bfb5d2a-e968-405d-9d6b-6ad297e6192f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_d1c2d1bf-c802-4f81-82b0-be4dd5af9948" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9d097124-87b8-44b5-942e-ac4f8cb37472" xlink:to="loc_us-gaap_EmployeeStockMember_d1c2d1bf-c802-4f81-82b0-be4dd5af9948" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_8c65f389-9ebd-46a5-9c84-2a599c39e4b8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsTable_e116b0b0-cabd-4390-9a48-519d38309fa3" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_8c65f389-9ebd-46a5-9c84-2a599c39e4b8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_8c65f389-9ebd-46a5-9c84-2a599c39e4b8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_8c65f389-9ebd-46a5-9c84-2a599c39e4b8" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_8c65f389-9ebd-46a5-9c84-2a599c39e4b8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_ef46bb4b-616b-4761-bd88-2e5e8ae775c7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_8c65f389-9ebd-46a5-9c84-2a599c39e4b8" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_ef46bb4b-616b-4761-bd88-2e5e8ae775c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_A2023UnderwrittenPublicOfferingPublicMember_3b2ff910-9efa-430c-8357-3154bf7ffcd7" xlink:href="asur-20241231.xsd#asur_A2023UnderwrittenPublicOfferingPublicMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_ef46bb4b-616b-4761-bd88-2e5e8ae775c7" xlink:to="loc_asur_A2023UnderwrittenPublicOfferingPublicMember_3b2ff910-9efa-430c-8357-3154bf7ffcd7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_A2023UnderwrittenPublicOfferingUnderwriterMember_500e702b-b59f-49f3-86f9-c5345543788b" xlink:href="asur-20241231.xsd#asur_A2023UnderwrittenPublicOfferingUnderwriterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_ef46bb4b-616b-4761-bd88-2e5e8ae775c7" xlink:to="loc_asur_A2023UnderwrittenPublicOfferingUnderwriterMember_500e702b-b59f-49f3-86f9-c5345543788b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_49a3e3c2-4c9f-4273-8b07-20505f6b1969" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsTable_e116b0b0-cabd-4390-9a48-519d38309fa3" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_49a3e3c2-4c9f-4273-8b07-20505f6b1969" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_49a3e3c2-4c9f-4273-8b07-20505f6b1969_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_49a3e3c2-4c9f-4273-8b07-20505f6b1969" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_49a3e3c2-4c9f-4273-8b07-20505f6b1969_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_dd8dcea3-9846-4268-a63c-134fae2a870b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_49a3e3c2-4c9f-4273-8b07-20505f6b1969" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_dd8dcea3-9846-4268-a63c-134fae2a870b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_2c1894d0-ba7c-41ce-b184-7543f92a9936" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_dd8dcea3-9846-4268-a63c-134fae2a870b" xlink:to="loc_us-gaap_SubsequentEventMember_2c1894d0-ba7c-41ce-b184-7543f92a9936" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_7a03cd3e-8e4a-43bd-b610-be3fe1d45ad1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_7a03cd3e-8e4a-43bd-b610-be3fe1d45ad1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_484bdc1a-222d-46ca-bd3d-3c3af42500f0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_484bdc1a-222d-46ca-bd3d-3c3af42500f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_AggregateValueOfCommonStockAndOtherSecuritiesRegisteredForSale_c601df87-99d2-4cb3-99dd-83f26284cb18" xlink:href="asur-20241231.xsd#asur_AggregateValueOfCommonStockAndOtherSecuritiesRegisteredForSale"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_asur_AggregateValueOfCommonStockAndOtherSecuritiesRegisteredForSale_c601df87-99d2-4cb3-99dd-83f26284cb18" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_AggregateSharesOfCommonStockAllocatedForAcquisitions_f4ab8286-e6b5-42e9-9b41-85c4b89fb059" xlink:href="asur-20241231.xsd#asur_AggregateSharesOfCommonStockAllocatedForAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_asur_AggregateSharesOfCommonStockAllocatedForAcquisitions_f4ab8286-e6b5-42e9-9b41-85c4b89fb059" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StockRepurchaseProgramAuthorizedAmount1_2e815ec0-d337-4473-8f5b-f1a5d86cb0dc" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_srt_StockRepurchaseProgramAuthorizedAmount1_2e815ec0-d337-4473-8f5b-f1a5d86cb0dc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_ac004626-d318-46ce-bdef-e4c746f9234b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_ac004626-d318-46ce-bdef-e4c746f9234b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_94a1e037-5039-4ce0-b216-b1a680b8cd68" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_94a1e037-5039-4ce0-b216-b1a680b8cd68" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_d8a684b1-5ce9-4073-aa50-857b7861a77d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_d8a684b1-5ce9-4073-aa50-857b7861a77d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_86cc49f5-c7cb-4134-ac49-a0ed37c7dab2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_86cc49f5-c7cb-4134-ac49-a0ed37c7dab2" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_a6cdb98e-0527-4a52-92ce-df3266fec837" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_a6cdb98e-0527-4a52-92ce-df3266fec837" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_ff267a7c-7c71-4293-b6fe-41abc02404a7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_ff267a7c-7c71-4293-b6fe-41abc02404a7" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_7568a3ba-0e14-4d5d-bcfd-f48db81f74e5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_7568a3ba-0e14-4d5d-bcfd-f48db81f74e5" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_16ccea1e-458e-4978-8339-250bdb25e8ba" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_16ccea1e-458e-4978-8339-250bdb25e8ba" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_c6b81ba5-bed7-4b5a-a564-cdc81900e5db" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_c6b81ba5-bed7-4b5a-a564-cdc81900e5db" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockPricePerShare_9392c62f-c442-46b5-905f-8ca5dfdeb501" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_SaleOfStockPricePerShare_9392c62f-c442-46b5-905f-8ca5dfdeb501" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_632fd5cf-a3fa-46dd-bd9f-00cd024e67e4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_632fd5cf-a3fa-46dd-bd9f-00cd024e67e4" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_SaleOfStockIssuanceCosts_ef7be87a-17e6-4ec5-91f9-35fef8c2ba77" xlink:href="asur-20241231.xsd#asur_SaleOfStockIssuanceCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_asur_SaleOfStockIssuanceCosts_ef7be87a-17e6-4ec5-91f9-35fef8c2ba77" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_dce86c05-fd23-439b-930a-7201ba2599db" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_dce86c05-fd23-439b-930a-7201ba2599db" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_1024fd5c-a802-4a37-9086-775c92fe282b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_1024fd5c-a802-4a37-9086-775c92fe282b" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_156894cd-d6c7-4d8c-b456-6c9cf9fb2c3e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_156894cd-d6c7-4d8c-b456-6c9cf9fb2c3e" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_b8e40247-6d1f-4681-8a09-a9d3a0e1045f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_b8e40247-6d1f-4681-8a09-a9d3a0e1045f" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_4036c78a-31de-48d8-b248-439162a10e4f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_4036c78a-31de-48d8-b248-439162a10e4f" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_f5a8d3a7-17dd-47eb-a351-95c71c0d2035" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_f5a8d3a7-17dd-47eb-a351-95c71c0d2035" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_846a3fa3-ac07-49a3-aa70-e0799a2448a7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_846a3fa3-ac07-49a3-aa70-e0799a2448a7" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_484f642d-b2ce-4c45-8dab-75a890b59504" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedContributionPlanCostRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_DefinedContributionPlanCostRecognized_484f642d-b2ce-4c45-8dab-75a890b59504" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_4b2a37bd-2cbf-4ddc-9514-b73cb4d1bc87" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_4b2a37bd-2cbf-4ddc-9514-b73cb4d1bc87" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_SaleOfStockMaximumAuthorizedAmount_7e8654a8-7b82-442e-a182-f77924199486" xlink:href="asur-20241231.xsd#asur_SaleOfStockMaximumAuthorizedAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_asur_SaleOfStockMaximumAuthorizedAmount_7e8654a8-7b82-442e-a182-f77924199486" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_SaleOfStockRemainingAuthorizedAmount_0095c235-c2e5-447c-9ee2-692ef2e8a704" xlink:href="asur-20241231.xsd#asur_SaleOfStockRemainingAuthorizedAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_asur_SaleOfStockRemainingAuthorizedAmount_0095c235-c2e5-447c-9ee2-692ef2e8a704" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_ShareRepurchaseProgramRestrictionAmount_7ab92bf3-8941-464c-9195-bdcc6d9ff909" xlink:href="asur-20241231.xsd#asur_ShareRepurchaseProgramRestrictionAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_asur_ShareRepurchaseProgramRestrictionAmount_7ab92bf3-8941-464c-9195-bdcc6d9ff909" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_ShareRepurchaseProgramRestrictionPercentage_b53cf4ca-586a-4c59-a4fd-1d252da499c3" xlink:href="asur-20241231.xsd#asur_ShareRepurchaseProgramRestrictionPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_asur_ShareRepurchaseProgramRestrictionPercentage_b53cf4ca-586a-4c59-a4fd-1d252da499c3" xlink:type="arc" order="29"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreaseDecrease_40a51448-63ba-4ae9-b480-ae0c0b5c92e0" xlink:href="asur-20241231.xsd#asur_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreaseDecrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_asur_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreaseDecrease_40a51448-63ba-4ae9-b480-ae0c0b5c92e0" xlink:type="arc" order="30"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestingPeriodDuration_446bcd61-d56f-452a-83f0-ddcc58ef7b43" xlink:href="asur-20241231.xsd#asur_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestingPeriodDuration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_asur_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestingPeriodDuration_446bcd61-d56f-452a-83f0-ddcc58ef7b43" xlink:type="arc" order="31"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriodDuration_2b3be0a6-4e95-4f81-a696-245de1bca13c" xlink:href="asur-20241231.xsd#asur_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriodDuration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_asur_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriodDuration_2b3be0a6-4e95-4f81-a696-245de1bca13c" xlink:type="arc" order="32"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_529d0d48-e25a-4201-aec6-a1a644e1b7fc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_529d0d48-e25a-4201-aec6-a1a644e1b7fc" xlink:type="arc" order="33"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_1279b346-6cb4-4376-acdb-003780ddd5b0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_1279b346-6cb4-4376-acdb-003780ddd5b0" xlink:type="arc" order="34"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_6036203b-ec09-4e89-bf1d-3d531db5d742" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_6036203b-ec09-4e89-bf1d-3d531db5d742" xlink:type="arc" order="35"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_a06b0f17-8a17-40f5-975f-8dd542cc2d06" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_a06b0f17-8a17-40f5-975f-8dd542cc2d06" xlink:type="arc" order="36"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_214179ce-faee-4ab3-997e-e51e1eb848a7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_214179ce-faee-4ab3-997e-e51e1eb848a7" xlink:type="arc" order="37"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_0ffb7de2-b87e-4497-8bde-e6d55bac9e9a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_0ffb7de2-b87e-4497-8bde-e6d55bac9e9a" xlink:type="arc" order="38"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_103f1cb7-cf2e-4426-997b-2726001f5018" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_103f1cb7-cf2e-4426-997b-2726001f5018" xlink:type="arc" order="39"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_688f8ab7-360b-43cc-8f20-f44235939afc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_688f8ab7-360b-43cc-8f20-f44235939afc" xlink:type="arc" order="40"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_5ba37cf8-9212-4ea8-9ea6-429026b9e9b4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_5ba37cf8-9212-4ea8-9ea6-429026b9e9b4" xlink:type="arc" order="41"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_a0c1d468-6006-40fa-99d9-a3d87a923960" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_a0c1d468-6006-40fa-99d9-a3d87a923960" xlink:type="arc" order="42"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_9fdf1655-0a83-4251-bc4a-771e8595d482" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_9fdf1655-0a83-4251-bc4a-771e8595d482" xlink:type="arc" order="43"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_ea7b20c2-d1d8-4797-a5c6-c222d30f0aae" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_ea7b20c2-d1d8-4797-a5c6-c222d30f0aae" xlink:type="arc" order="44"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_df49f449-3cbe-4e3b-9bc0-28dce6954783" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_df49f449-3cbe-4e3b-9bc0-28dce6954783" xlink:type="arc" order="45"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_ebb59ee8-cd08-44d6-850c-d3901e648b83" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_ebb59ee8-cd08-44d6-850c-d3901e648b83" xlink:type="arc" order="46"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_0d0bdb84-d8be-4384-84bc-51eda5c69ea1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_0d0bdb84-d8be-4384-84bc-51eda5c69ea1" xlink:type="arc" order="47"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_1c7062e9-965a-43b2-9815-23f3e757dda1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_1c7062e9-965a-43b2-9815-23f3e757dda1" xlink:type="arc" order="48"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_0b952859-4cc7-4f9d-a6d4-60daf990ddb2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_0b952859-4cc7-4f9d-a6d4-60daf990ddb2" xlink:type="arc" order="49"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_64c5fc04-41f5-4dbb-b305-f56039a95603" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_64c5fc04-41f5-4dbb-b305-f56039a95603" xlink:type="arc" order="50"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_583314cb-7e95-4688-803e-08502bb15852" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_583314cb-7e95-4688-803e-08502bb15852" xlink:type="arc" order="51"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_0edc6b55-68c2-42d1-8516-adb8d4d9051a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_0edc6b55-68c2-42d1-8516-adb8d4d9051a" xlink:type="arc" order="52"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_5d0ebef9-a84c-4f13-9be7-6a6f01844451" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_5d0ebef9-a84c-4f13-9be7-6a6f01844451" xlink:type="arc" order="53"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_ba1152e9-2ddb-499d-8b59-4d80db4dd8e5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_ba1152e9-2ddb-499d-8b59-4d80db4dd8e5" xlink:type="arc" order="54"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_7ceeb978-7a49-4b43-9c2f-d981ee2f8c5e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_7ceeb978-7a49-4b43-9c2f-d981ee2f8c5e" xlink:type="arc" order="55"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreaseDecreaseWeightedAverageGrantDateFairValue_1f4626bb-c28e-4134-ba81-fee78d7be83e" xlink:href="asur-20241231.xsd#asur_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreaseDecreaseWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_STOCKHOLDERSEQUITYDetailsLineItems_39a932d0-8351-490b-8372-d9f86834bf96" xlink:to="loc_asur_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreaseDecreaseWeightedAverageGrantDateFairValue_1f4626bb-c28e-4134-ba81-fee78d7be83e" xlink:type="arc" order="56"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/INCOMETAXESDetails" xlink:type="simple" xlink:href="asur-20241231.xsd#INCOMETAXESDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/INCOMETAXESDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwardsLineItems_46297cb5-1de8-42ca-9782-2b330e4c072e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLossCarryforwardsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwardsTable_42a53382-c73e-42d6-802d-95cdd63d99e5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLossCarryforwardsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_46297cb5-1de8-42ca-9782-2b330e4c072e" xlink:to="loc_us-gaap_OperatingLossCarryforwardsTable_42a53382-c73e-42d6-802d-95cdd63d99e5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_1ffc7f85-619d-497b-af73-24f91bc6bc8a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_42a53382-c73e-42d6-802d-95cdd63d99e5" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_1ffc7f85-619d-497b-af73-24f91bc6bc8a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_1ffc7f85-619d-497b-af73-24f91bc6bc8a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_1ffc7f85-619d-497b-af73-24f91bc6bc8a" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_1ffc7f85-619d-497b-af73-24f91bc6bc8a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_cabebc7a-fcac-4a4c-9a10-23ba26b58a12" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_1ffc7f85-619d-497b-af73-24f91bc6bc8a" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_cabebc7a-fcac-4a4c-9a10-23ba26b58a12" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DomesticCountryMember_977ee6b0-32cf-4c86-a0f8-e8191d51bcda" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DomesticCountryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_cabebc7a-fcac-4a4c-9a10-23ba26b58a12" xlink:to="loc_us-gaap_DomesticCountryMember_977ee6b0-32cf-4c86-a0f8-e8191d51bcda" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_55eda196-136d-4047-a279-7fcb295546f5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StateAndLocalJurisdictionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_cabebc7a-fcac-4a4c-9a10-23ba26b58a12" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_55eda196-136d-4047-a279-7fcb295546f5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwards_6ab36214-fd39-4dd2-a0d9-9a2aae4ac8c8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLossCarryforwards"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_46297cb5-1de8-42ca-9782-2b330e4c072e" xlink:to="loc_us-gaap_OperatingLossCarryforwards_6ab36214-fd39-4dd2-a0d9-9a2aae4ac8c8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch_18e7397a-f488-4b56-95b4-3f69b544ea24" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_46297cb5-1de8-42ca-9782-2b330e4c072e" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch_18e7397a-f488-4b56-95b4-3f69b544ea24" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_5e56c5f1-5d56-47e3-9867-822262847822" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwards"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_46297cb5-1de8-42ca-9782-2b330e4c072e" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_5e56c5f1-5d56-47e3-9867-822262847822" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_OperatingLossCarryforwardsLimitationsOnUsePercentOfTaxableIncome_905ba694-0408-4fb1-9d2c-f4ea793548de" xlink:href="asur-20241231.xsd#asur_OperatingLossCarryforwardsLimitationsOnUsePercentOfTaxableIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_46297cb5-1de8-42ca-9782-2b330e4c072e" xlink:to="loc_asur_OperatingLossCarryforwardsLimitationsOnUsePercentOfTaxableIncome_905ba694-0408-4fb1-9d2c-f4ea793548de" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/NETLOSSPERSHAREDetails" xlink:type="simple" xlink:href="asur-20241231.xsd#NETLOSSPERSHAREDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/NETLOSSPERSHAREDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_NETLOSSPERSHAREDetailsLineItems_d3141105-302f-43bf-aff8-52757bca6434" xlink:href="asur-20241231.xsd#asur_NETLOSSPERSHAREDetailsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_NETLOSSPERSHAREDetailsTable_b7625786-eccc-4cfa-86ec-eea78631b506" xlink:href="asur-20241231.xsd#asur_NETLOSSPERSHAREDetailsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_NETLOSSPERSHAREDetailsLineItems_d3141105-302f-43bf-aff8-52757bca6434" xlink:to="loc_asur_NETLOSSPERSHAREDetailsTable_b7625786-eccc-4cfa-86ec-eea78631b506" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_d6f9477e-c4e5-45fa-ba35-9759f1f56c58" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_NETLOSSPERSHAREDetailsTable_b7625786-eccc-4cfa-86ec-eea78631b506" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_d6f9477e-c4e5-45fa-ba35-9759f1f56c58" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d6f9477e-c4e5-45fa-ba35-9759f1f56c58_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_d6f9477e-c4e5-45fa-ba35-9759f1f56c58" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d6f9477e-c4e5-45fa-ba35-9759f1f56c58_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_fae038d9-6033-4c60-9c22-b5ce977eac79" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_d6f9477e-c4e5-45fa-ba35-9759f1f56c58" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_fae038d9-6033-4c60-9c22-b5ce977eac79" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockOptionMember_2d222850-c00b-491d-83d3-6ad80255de3a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_fae038d9-6033-4c60-9c22-b5ce977eac79" xlink:to="loc_us-gaap_StockOptionMember_2d222850-c00b-491d-83d3-6ad80255de3a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_9ef1c3a2-66b8-4e70-87a1-29c0e8bb0d92" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NETLOSSPERSHAREDetailsLineItems_d3141105-302f-43bf-aff8-52757bca6434" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_9ef1c3a2-66b8-4e70-87a1-29c0e8bb0d92" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/SEGMENTINFORMATIONScheduleofOperatingFinancialResultsofReportableSegmentDetails" xlink:type="simple" xlink:href="asur-20241231.xsd#SEGMENTINFORMATIONScheduleofOperatingFinancialResultsofReportableSegmentDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/SEGMENTINFORMATIONScheduleofOperatingFinancialResultsofReportableSegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_790c6c6f-7655-453c-97d9-85b174c90727" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6fddc3a5-91ae-42c3-9819-f1489d6b30a5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_790c6c6f-7655-453c-97d9-85b174c90727" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6fddc3a5-91ae-42c3-9819-f1489d6b30a5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_27603294-c60c-420e-929a-5ac401152709" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6fddc3a5-91ae-42c3-9819-f1489d6b30a5" xlink:to="loc_srt_ConsolidationItemsAxis_27603294-c60c-420e-929a-5ac401152709" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_27603294-c60c-420e-929a-5ac401152709_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_27603294-c60c-420e-929a-5ac401152709" xlink:to="loc_srt_ConsolidationItemsDomain_27603294-c60c-420e-929a-5ac401152709_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_bf6efb8b-1828-4515-913e-0531807078d0" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_27603294-c60c-420e-929a-5ac401152709" xlink:to="loc_srt_ConsolidationItemsDomain_bf6efb8b-1828-4515-913e-0531807078d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_3c2c74d6-8e63-4a63-aaf2-65172e74e333" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_bf6efb8b-1828-4515-913e-0531807078d0" xlink:to="loc_us-gaap_OperatingSegmentsMember_3c2c74d6-8e63-4a63-aaf2-65172e74e333" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_b4c8180f-ba71-44e9-a4ed-f8ca7fb2d5cb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6fddc3a5-91ae-42c3-9819-f1489d6b30a5" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_b4c8180f-ba71-44e9-a4ed-f8ca7fb2d5cb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_b4c8180f-ba71-44e9-a4ed-f8ca7fb2d5cb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_b4c8180f-ba71-44e9-a4ed-f8ca7fb2d5cb" xlink:to="loc_us-gaap_SegmentDomain_b4c8180f-ba71-44e9-a4ed-f8ca7fb2d5cb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_b7167b91-4c20-4027-980e-84db2f0d80a7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_b4c8180f-ba71-44e9-a4ed-f8ca7fb2d5cb" xlink:to="loc_us-gaap_SegmentDomain_b7167b91-4c20-4027-980e-84db2f0d80a7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_ReportableSegmentMember_b7264932-5444-456a-b855-b0c6a36597d6" xlink:href="asur-20241231.xsd#asur_ReportableSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_b7167b91-4c20-4027-980e-84db2f0d80a7" xlink:to="loc_asur_ReportableSegmentMember_b7264932-5444-456a-b855-b0c6a36597d6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_7baa8716-0754-41c6-bd03-98f5f24f4740" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_790c6c6f-7655-453c-97d9-85b174c90727" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_7baa8716-0754-41c6-bd03-98f5f24f4740" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_917e8ff3-df77-4491-8d91-54f10dc33514" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_790c6c6f-7655-453c-97d9-85b174c90727" xlink:to="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_917e8ff3-df77-4491-8d91-54f10dc33514" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LaborAndRelatedExpense_7e86b5e7-cfaf-4d87-9727-a8be2a478f13" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LaborAndRelatedExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_917e8ff3-df77-4491-8d91-54f10dc33514" xlink:to="loc_us-gaap_LaborAndRelatedExpense_7e86b5e7-cfaf-4d87-9727-a8be2a478f13" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_NonCompensationRelatedExpense_1e3d098c-5cd0-49e7-a90b-9b4495fa63b5" xlink:href="asur-20241231.xsd#asur_NonCompensationRelatedExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_917e8ff3-df77-4491-8d91-54f10dc33514" xlink:to="loc_asur_NonCompensationRelatedExpense_1e3d098c-5cd0-49e7-a90b-9b4495fa63b5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_DeferredSoftwareAndSalesCommissionCosts_0745ba1e-120f-4fa5-bbf6-c8c472a1af31" xlink:href="asur-20241231.xsd#asur_DeferredSoftwareAndSalesCommissionCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_917e8ff3-df77-4491-8d91-54f10dc33514" xlink:to="loc_asur_DeferredSoftwareAndSalesCommissionCosts_0745ba1e-120f-4fa5-bbf6-c8c472a1af31" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_482be424-ee48-44ed-bc30-12de86cef29a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_917e8ff3-df77-4491-8d91-54f10dc33514" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_482be424-ee48-44ed-bc30-12de86cef29a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_7e256cb7-879e-4ff8-88d4-81ed2f9c9fbf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_917e8ff3-df77-4491-8d91-54f10dc33514" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_7e256cb7-879e-4ff8-88d4-81ed2f9c9fbf" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_SegmentReportingProfitLossMeasureTotalExpenses_f718d2a7-325d-47c4-a6cd-6faf9aa4348e" xlink:href="asur-20241231.xsd#asur_SegmentReportingProfitLossMeasureTotalExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_917e8ff3-df77-4491-8d91-54f10dc33514" xlink:to="loc_asur_SegmentReportingProfitLossMeasureTotalExpenses_f718d2a7-325d-47c4-a6cd-6faf9aa4348e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_a155d438-8aab-4c6c-a1f6-8636c125bece" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_790c6c6f-7655-453c-97d9-85b174c90727" xlink:to="loc_us-gaap_NetIncomeLoss_a155d438-8aab-4c6c-a1f6-8636c125bece" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/SubsequentEventsDetails" xlink:type="simple" xlink:href="asur-20241231.xsd#SubsequentEventsDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/SubsequentEventsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_062dfa8c-67da-48b4-b39f-2c0a5b28aaee" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_eadde0a0-7bd9-49f9-a2e5-af74a1769d4b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_062dfa8c-67da-48b4-b39f-2c0a5b28aaee" xlink:to="loc_us-gaap_SubsequentEventTable_eadde0a0-7bd9-49f9-a2e5-af74a1769d4b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_1c98f45c-e1f1-4a59-83ea-59a4f67ee524" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_eadde0a0-7bd9-49f9-a2e5-af74a1769d4b" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_1c98f45c-e1f1-4a59-83ea-59a4f67ee524" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_1c98f45c-e1f1-4a59-83ea-59a4f67ee524_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_1c98f45c-e1f1-4a59-83ea-59a4f67ee524" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_1c98f45c-e1f1-4a59-83ea-59a4f67ee524_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_fd25ba0a-e19c-4965-9d42-ef1f8d871831" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_1c98f45c-e1f1-4a59-83ea-59a4f67ee524" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_fd25ba0a-e19c-4965-9d42-ef1f8d871831" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_86438d55-c7e8-4ed6-bf50-6c5e8c98325b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_fd25ba0a-e19c-4965-9d42-ef1f8d871831" xlink:to="loc_us-gaap_SubsequentEventMember_86438d55-c7e8-4ed6-bf50-6c5e8c98325b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_83feb02c-3f73-4f4e-b248-6afa3da1e6b9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_eadde0a0-7bd9-49f9-a2e5-af74a1769d4b" xlink:to="loc_us-gaap_AssetAcquisitionAxis_83feb02c-3f73-4f4e-b248-6afa3da1e6b9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_83feb02c-3f73-4f4e-b248-6afa3da1e6b9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_83feb02c-3f73-4f4e-b248-6afa3da1e6b9" xlink:to="loc_us-gaap_AssetAcquisitionDomain_83feb02c-3f73-4f4e-b248-6afa3da1e6b9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_4236061b-b619-4428-b9fa-7fe90ee533b9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_83feb02c-3f73-4f4e-b248-6afa3da1e6b9" xlink:to="loc_us-gaap_AssetAcquisitionDomain_4236061b-b619-4428-b9fa-7fe90ee533b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_A2025AcquisitionsMember_d681db64-84c9-4423-af2f-3a22231c610b" xlink:href="asur-20241231.xsd#asur_A2025AcquisitionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_4236061b-b619-4428-b9fa-7fe90ee533b9" xlink:to="loc_asur_A2025AcquisitionsMember_d681db64-84c9-4423-af2f-3a22231c610b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_AssetAcquisitionNumberOfAcquisitions_b6321e26-0450-4a4a-93c0-c0d251143781" xlink:href="asur-20241231.xsd#asur_AssetAcquisitionNumberOfAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_062dfa8c-67da-48b4-b39f-2c0a5b28aaee" xlink:to="loc_asur_AssetAcquisitionNumberOfAcquisitions_b6321e26-0450-4a4a-93c0-c0d251143781" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_9e6a4d72-cee3-4a7e-81ae-3f103aa188d8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_062dfa8c-67da-48b4-b39f-2c0a5b28aaee" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_9e6a4d72-cee3-4a7e-81ae-3f103aa188d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_0d5cbdcb-8fa0-449d-bdcc-189b58e2dd48" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_062dfa8c-67da-48b4-b39f-2c0a5b28aaee" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_0d5cbdcb-8fa0-449d-bdcc-189b58e2dd48" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FuturePaymentsToAcquireProductiveAssets_1c082c3e-5a1e-4c88-b7c3-fa336ca29dd7" xlink:href="asur-20241231.xsd#asur_FuturePaymentsToAcquireProductiveAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_062dfa8c-67da-48b4-b39f-2c0a5b28aaee" xlink:to="loc_asur_FuturePaymentsToAcquireProductiveAssets_1c082c3e-5a1e-4c88-b7c3-fa336ca29dd7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred_78705760-6f05-49b9-8770-173216e6eeb5" xlink:href="asur-20241231.xsd#asur_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_062dfa8c-67da-48b4-b39f-2c0a5b28aaee" xlink:to="loc_asur_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred_78705760-6f05-49b9-8770-173216e6eeb5" xlink:type="arc" order="4"/>
  </link:definitionLink>
</link:linkbase>
