- a person, team, nation, etc., that loses: The visiting team was the loser in the series.
- Informal.
- a person who has been convicted of a misdemeanor or, especially, a felony: a two-time loser.
- a person who has failed at a particular activity: a loser at marriage.
- someone or something that is marked by consistently or thoroughly bad quality, performance, etc. (opposed to winner def. 2): Don't bother to see that film, it's a real loser.
- a misfit, especially someone who has never or seldom been successful at a job, personal relationship, etc.
- a person or thing that loses
- a person or thing that seems destined to be taken advantage of, fail, etc
- a card that will not take a trick
