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| knock out |
transitive verb |
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| Definition: |
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1. defeat opposing boxer with punch: in boxing, to knock an opponent down for a count of ten, thus winning the match
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2. make somebody unconscious by hitting: to cause somebody to lose consciousness by striking him or her
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3. stupefy somebody with drugs or alcohol: to cause somebody to lose consciousness or fall asleep by means of drugs or alcohol
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4. eliminate opponent from tournament: to eliminate an opponent or team from a competition by winning a match or game
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5. make something useless: to destroy something, or make something inoperable
  The storm knocked out our electricity.
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6. tire somebody out: to exhaust somebody completely
(
informal
)
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7. produce something with ease or speed: to make or do something easily or quickly
(
informal
)
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8. baseball replace pitcher: to cause a baseball pitcher's removal from a game by getting several hits
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9. please or impress somebody greatly: to overwhelm somebody with excitement or pleasure
(
informal
)
That music really knocks me out.
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