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Verb: underbid (underbid,underbidding)  ,ún-du(r)'bid
  1. Bid (a hand of cards) at less than the strength of the hand warrants
  2. (auction) bid lower than a competing bidder
  3. (auction) bid too low

Derived forms: underbidding, underbid, underbids

Type of: bid, call, offer, tender

Antonym: outbid, overbid