📖 Definitions of "Knock out"
verb
- 1
To strike or bump (someone or something) out.
"I accidentally knocked out the glass in my picture frame."
- 2
To render unconscious, as by a blow to the head.
"The boxer knocked out his opponent in the third round."
- 3
To put to sleep.
"The allergy pill knocked him out for a good three hours."
- 4
To exhaust.
"Running errands all day really knocked him out."
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