knock sb out Meaning in the Cambridge English Dictionary

Meaning of “knock sb out” in the English Dictionary

"knock sb out" in British English

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knock sb out

phrasal verb with knock uk   /nɒk/  us   /nɑːk/ verb


B2 to ​hit someone so that they ​becomeunconscious: His ​opponentknocked him out with one ​punch.
See also


If a ​drug or ​alcoholknocks you out, it makes you go to ​sleep: The ​sleepingtabletsknocked him out for 18 ​hours.


B2 to ​defeat a ​person or a ​team in a ​competition so that they can no ​longer take ​part in it: The ​champion was ​unexpectedlyknocked out (of the ​tournament) in the first round.


old-fashioned slang to ​causeenjoyment or ​admiration in someone: We were all really ​knocked out by the ​film.
(Definition of knock sb out from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
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“knock sb out” in British English

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