a loan that is not backed up by any collateral, such as a home or an automobile offered as security. Glossary of Business Terms
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unsecured loan UK US noun [C] (also signature loan) FINANCE
► a loan for which the lender has no right to the property or other assets of the borrower if the money is not paid back: »
They will offer unsecured loans to anyone over 22 with comprehensive motor insurance.
Financial and business terms. 2012.