1. A contestant who loses the contest
   "He finished as a loser in the mayoral race";
   - also-ran
    
2. A person with a record of failing; someone who loses consistently
   "Despite his efforts, he remained a loser in his business ventures";
   - failure, nonstarter, unsuccessful person, no-hoper [informal]
    
3. [informal] A disliked weak, inept or useless person who is destined to fail or be taken advantage of
   "Don't hang out with that loser"
    
4. A gambler who loses a bet
   "The loser reluctantly handed over his money to the winner of the poker game"

Derived forms: losers

Type of: contestant, gambler, unfortunate, unfortunate person

Antonym: achiever, winner

Encyclopedia: Loser, Baby