- (poker) a bet which is smaller than standard for a given situation
- Since the pot contained $1,000, James $10 bet was an underbet.
(third-person singular simple present underbets, present participle underbetting, simple past and past participle underbet)
- (poker) to bet a smaller amount than is standard for a given situation
- James underbet by betting only $10 into a $1,000 pot
under- + bet