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English Lexicon

Knockout

/ˈnɒk.aʊt/
nounadjectiveCEFR B2 (Upper)Top #4500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A competition or tournament in which competitors are eliminated after one loss, corresponding to the Chinese concept of chūjú (elimination).

    "The team was eliminated in the first round knockout stage of the championship."
  2. 2

    A blow that renders an opponent unconscious in combat sports.

    "He secured a dramatic knockout in the third round."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the phrasal verb 'to knock out', originating in late 19th-century boxing terminology where a fighter was struck so forcefully they were rendered unconscious. Over time, the term evolved metaphorically to describe something overwhelmingly impressive, stunning, or exceptionally successful.

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