- 1 underwrite something to accept financial responsibility for an activity so that you will pay for special costs or for losses it may make The government ended up underwriting the entire project. The record company may underwrite the costs of a band's first tour.
- 2underwrite something to accept responsibility for an insurance policy so that you will pay money in case loss or damage happens
- 3underwrite something to agree to buy shares that are not bought by the public when new shares are offered for sale
NAmE//ˈʌndərˌraɪt//, NAmE//ˌʌndərˈraɪt//(technology)Verb Forms present simple I / you / we / they underwrite
he / she / it underwrites
past simple underwrote
past participle underwritten
-ing form underwriting