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English definition of “knock sb out”

knock sb out

(DEFEAT) phrasal verb with knock     /nɒk/ US  /nɑːk/ verb
B2 to defeat a person or a team in a competition so that they can no longer take part in it: The champion was unexpectedly knocked out (of the tournament) in the first round.Scoring, winning and losing in sportWinning and defeatingLosing and being defeated
(Definition of knock sb out (DEFEAT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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