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knock out - definition and synonyms


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phrasal verb [transitive]
Word Forms
present tense
I/you/we/theyknock out
he/she/itknocks out
present participleknocking out
past tenseknocked out
past participleknocked out
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  1. 1
    to make someone unconscious

    He hit me and nearly knocked me out.

  2. 2
    to make someone leave a competition by defeating them

    The home team was knocked out of the tournament in the first round.

  3. 4
    knock someone out informal to impress someone very much

    The response to my work has absolutely knocked me out.

  4. 5
    knock someone out informal to make someone feel very shocked or upset
  5. 6
    informal to produce something quickly or carelessly

    They’ve been knocking out candles at their factory since 1831.

  6. 7
    knock something out of someone to make someone lose a quality

    All the enthusiasm had been knocked out of him.

  7. 8
    knock yourself out informal to do a lot of work in order to achieve something
See also main entry: knock

sea lion

in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them

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