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someone who wins a game, competition or electionThere'll be a prize for the winner.
The winner of this match will play Violente in the semi-finals.
And to find out who are the lucky winners of our competition, Samantha is going to draw some names out of the bag.
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(US also game-winner) informal in sport, a goal or point that causes a player or team to win a gameNeil Eaves scored the winner in the last minute of the match.
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informal something that is extremely successful and popularThat lemon tart was a winner, wasn't it?
I think they're onto a winner with this latest product (= it will succeed).