- 1a person who is defeated in a competition winners and losers He's a good/bad loser (= he accepts defeat well/badly).
- 2a person who is regularly unsuccessful, especially when you have a low opinion of them She's one of life's losers. He's a born loser.
- 3a person who suffers because of a particular action, decision, etc. The real losers in all of this are the students.