overbid n 1: a bid that is higher than preceding bids 2: (bridge) a bid that is higher than your opponent's bid (especially when your partner has not bid at all and your bid exceeds the value of your hand) [syn: {overcall}] v 1: to bid for more tricks than one can expect to win, 2: bid more than the object is worth [ant: {underbid}] [also: {overbidding}, {overbidden}] overbidden See {overbid}