"overbid" in the noun sense
a bid that is higher than preceding bids
2. overbid, overcall
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)
"overbid" in the verb sense
to bid for more tricks than one can expect to win,
bid more than the object is worth
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License