- underwrite⇄underwrite, verb, -wrote,-written,-writing.
- underwrite⇄v.i. to carry on the business of insurance; be an underwriter.
- underwrite⇄v.t. 1a. to insure (property) against loss.
b. to sign one's name to (an insurance policy), thereby accepting the risk of insuring the person or thing specified against loss.
c. to assume liability for (a certain amount or risk) by way of i