| underbid | (v) bid (a hand of cards) at less than the strength of the hand warrants |
| underbid | (v) bid lower than a competing bidder, Ant. outbid |
| underbid | (v) bid too low, Ant. overbid |
| Underbid | v. t. To bid less than, as when a contract or service is offered to the lowest bidder; to offer to contract, sell, or do for a lower price than. [ 1913 Webster ] |
| Underbind | v. t. To bind beneath. Fairfax. [ 1913 Webster ] |