English
knock out
Verb

knock out

  1. (transitive) To strike or bump (someone or something) out.
    I accidentally knocked out the glass in my picture frame.
  2. (transitive, idiomatic) To render unconscious, as by a blow to the head.
    The boxer knocked out his opponent in the third round.
  3. (transitive, idiomatic) To put to sleep.
    The allergy pill knocked him out for a good three hours.
  4. (transitive, idiomatic) To exhaust.
    Running errands all day really knocked him out.
  5. (transitive, idiomatic) To complete, especially in haste; knock off.
    They knocked out the entire project in one night.
  6. (transitive, idiomatic) To cause a mechanism to become non-functional by damaging or destroying it.
    The antitank gun knocked out the enemy tank.
  7. (sports) To eliminate.
  8. (transitive) To communicate (a message) by knocking.
    The prisoner knocked out a message on the wall for the prisoner in the adjoining cell.
  9. To lose the scent of hounds in fox-hunting.
  10. (obsolete, Oxford University slang) To leave college after hours—after half-past ten at night when the doors has been locked.
Related terms Translations
  • Russian: выбива́ть
Translations Translations

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