knockout Hear it!

knockout definition

knock·out (-o̵ut′)

adjective

that knocks out: said of a blow, etc.

noun

  1. a knocking out or being knocked out
    1. a blow that knocks out
    2. Boxing a victory won when the opponent is knocked out
  3. ☆ Slang a very attractive or striking person or thing

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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