Synonyms of 'collateral'
securityDictionary, guarantee, deposit
Many people here cannot borrow from banks because they lack collateral.
2 secondaryDictionary, supporting, subordinate
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The ancillary workers in an institution are the people such as cleaners and cooks whose work supports the main work of the institution.
Ancillary services like cleaning are put up for competitive tender.
Assurance is insurance that provides cover in the event of death.
Thesaurus for collateral from the Collins English Thesaurus
Collateral is money or property which is used as a guarantee that someone will repay a loan.