knock out

English

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.
   • 2011 December 15, Marc Higginson, “Shamrock Rovers 0 - 4 Tottenham”, BBC Sport:

     Tottenham were knocked out of the Europa League, despite a comfortable victory over Shamrock Rovers in Dublin.

Derived terms

• don't knock yourself out
• knock oneself out

Related terms

• knockout

Translations

strike or bump something out

• Finnish: täräyttää (pois, sijoiltaan)

• Russian: выбивать (ru) (vybivátʹ) impf., выбить (ru) (výbitʹ) pf.

render someone unconscious

• Finnish: tyrmätä (fi), kolkata (fi)
• French: assommer (fr)
• Icelandic: rota (is)

• Polish: powalić (pl)

• Portuguese: nocautear (pt)
• Spanish: noquear (es)

to put to sleep

• Finnish: tyrmätä (fi), nukuttaa (fi)

• French: assommer (fr)

to complete, especially in haste

• Finnish: hutaista (fi), sutaista (fi), tempaista (fi)