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View synonyms for

knockout

[ nok-out ]

noun

  1. an act or instance of knocking out.
  2. the state or fact of being knocked out.
  3. a knockout blow.
  4. Informal. a person or thing overwhelmingly attractive, appealing, or successful.
  5. a panel in a casing, can, or box, especially of metal or plastic, so designed that it can readily be removed, as by punching, hammering, or cutting, to provide an opening into the interior:

    a knockout in a junction box.

  6. Machinery. a device for knocking something loose, as finished work from a lathe chuck.


adjective

  1. that knocks out:

    the knockout punch.

knockout

/ ˈɒˌʊ /

noun

  1. the act of rendering unconscious
  2. a blow that renders an opponent unconscious
    1. a competition in which competitors are eliminated progressively
    2. ( as modifier )

      a knockout contest

  3. a series of absurd invented games, esp obstacle races, involving physical effort or skill
  4. informal.
    a person or thing that is overwhelmingly impressive or attractive

    she's a knockout

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to render unconscious, esp by a blow
  2. boxing to defeat (an opponent) by a knockout
  3. to destroy, damage, or injure badly
  4. to eliminate, esp in a knockout competition
  5. informal.
    to overwhelm or amaze, esp with admiration or favourable reaction

    I was knocked out by that new song

  6. to remove the ashes from (one's pipe) by tapping
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of knockout1

1810–20; 1935–40 knockout fordef 4; noun, adj. use of verb phrase knock out
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Example Sentences

Examples have not been reviewed.

Victory ended a run of five straight losses for Rajasthan to keep their slim hopes of making the knockout stages alive.

From

Buckle also signed at Daniel's spectacular knockout victory over Anthony Joshua at Wembley last September.

From

Guardiola's side also suffered their earliest exit from the Champions League for 12 years after losing to Real Madrid in the knockout play-offs in February.

From

To achieve that feat, they must also do something else they have never done before, which is to get past Barcelona in the Women's Champions League knockout stage.

From

Never before have five goals been scored during a period of extra time in a European knockout fixture.

From

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knock on woodknock out