1. a person or thing that loses or has lost something, especially a game or contest: "he was the loser in the race"Similardefeated personalso-ranthe defeatedthe vanquishedrunner-upOppositewinner
▪ a person who accepts defeat with good or bad grace, as specified: "we won fair and square—they should concede that and be good losers"
▪ a person or thing that is put at a disadvantage by a particular situation or course of action: "children are the losers when politicians keep fiddling around with education"