underbidder
/ˌʌndərˈbɪdər/
noun
- A person or company that offers to pay less than another person or company in an auction or competitive bidding situation.
- The underbidder lost the auction by only $50.
- In the contract competition, the underbidder offered a price that was too low to cover costs.
- She was the underbidder at the estate sale, so the painting went to someone else.