Impawned is a term that means to deposit something valuable as security for a loan or debt. Some synonyms for impawned include pawned, hocked, pledged, collateralized, and mortgaged. These words all reflect the act of putting up something of value as a guarantee for financial purposes. Other related terms include forfeit, which means to lose possession of something due to non-payment; redemption, which is the act of retrieving an impawned item after repayment of the loan or debt; and foreclosure, which refers to the legal process of taking possession of an impawned property in the event of default.