knockout
🇺🇸 /ˈnɑˌkaʊt/
📖 Definitions
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noun
A blow or hit that renders a person unconscious, especially in boxing or other combat sports.; A person or thing that is strikingly attractive or impressive.; A tournament format in which a participant is eliminated after a single loss.; The act of rendering something inoperative or ineffective; the disabling of a system or mechanism.; In genetics, the inactivation or deletion of a specific gene in an organism.
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adjective
Capable of rendering someone unconscious; delivering a knockout blow.; Strikingly attractive or impressive; stunning.; Relating to a single-elimination tournament format.; Designed to inactivate or disable something.
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verb
To render someone unconscious with a blow, especially in boxing.; To eliminate or remove something from operation or competition.; To produce or complete something quickly and efficiently.
🔗 Details
Word forms
countable
Plural: knockouts
Collocations
knockout blowknockout punchknockout roundtechnical knockoutknockout dropsknockout victory
Derivatives
knockouts
Synonyms
KOhaymakerstunnerdevastatingstunning
Commonly confused
knock out
EN: 'Knock out' (two words) is the verb phrase meaning to render unconscious or eliminate; 'knockout' (one word) is the noun or adjective form.
Spelling tips
EN: Remember that 'knockout' is one word when used as a noun or adjective (a knockout punch), but two words when used as a verb (they knocked him out).
💬 Examples
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The boxer won the match with a devastating knockout in the third round.
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She looked like a knockout in that red dress at the gala.
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The team was eliminated in the knockout stage of the World Cup.
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The missile caused a knockout of the enemy's communication network.
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Researchers created a knockout mouse to study the effects of the missing gene.
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He landed a knockout punch that ended the fight instantly.
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The band gave a knockout performance that had the audience on their feet.
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The knockout rounds of the competition begin next week.
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The knockout drops were slipped into his drink without his knowledge.
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The champion knocked out his challenger in the second round.