Meaning

15 senses
  1. To strike or render unconscious

    (transitive)To strike or bump (someone or something) out.

    I accidentally knocked out the glass in my picture frame.

    выбива́тьvybivátʹ, вы́битьvýbitʹ

    empty (as of tobacco) by knocking out

  2. (idiomatic, transitive)To render unconscious, as by a blow to the head.

    The boxer knocked out his opponent in the third round.

    нокаутироватьnokautirovatʹ, вырубитьvyrubitʹ

    нокаутува́тиnokautuváty

    knock unconscious or senseless

  3. (idiomatic, informal, transitive)To put to sleep.

    The allergy pill knocked him out for a good three hours.

  4. (idiomatic, informal, intransitive)To fall asleep, especially suddenly.

  5. (idiomatic, informal, transitive)To exhaust.

    Running errands all day really knocked him out.

  6. (idiomatic, informal, transitive)To impress, surpass or overwhelm (someone).

    overwhelm with admiration

  7. (slang, transitive)To defeat or kill (someone).

  8. (idiomatic, transitive)To cause a mechanism to become non-functional by damaging or destroying it.

    The antitank gun knocked out the enemy tank.

  9. (transitive)To eliminate from a contest or similar.

    eliminate

  10. (transitive)To communicate (a message) by knocking.

    The prisoner knocked out a message on the wall for the prisoner in the adjoining cell.

  11. (informal, transitive)To complete, especially in haste; knock off.

    They knocked out the entire project in one night.

  12. To lose the scent of hounds in fox-hunting.

Examples

81 sentences
  1. Have you ever been knocked out?

    deBist du schon einmal k. o. geschlagen worden? — Waldelfe

  2. That knocked the wind out of me.

  3. He was knocked out by a punch in the first round.

  4. The guard had been knocked out and his gun was missing.

  5. Tom was knocked out.

Translations

6 languages
Українська
By meaning 1
to render someone unconscious, as by a blow to the head:
Русский
By meaning 2
to strike or bump something out:
to render someone unconscious, as by a blow to the head:

Forms

knocks out, knocking out, knocked out, knocked out
Base formknock out · to knock out
3rd person singularknocks out
Present participleknocking out
Past simpleknocked out
Past participleknocked out

irregular

Present simpleLesson

I, you, we, theyknock out
he, she, itknocks out

Past simpleLesson

all personsknocked out

Present perfectLesson

I, you, we, theyhave knocked out
he, she, ithas knocked out

Future simple (will)Lesson

all personswill knock out

Phrasal verbs

13 phrasal verbs

Synonyms

2 synonyms
Close in meaning

Word family

5 related words

See also

neighbours in the dictionary
knock out — meaning, examples, forms, synonyms | Krumeto