knock out meaning and definition

KNOCK OUT verb

Definition of knock out (verb)

1. eliminate
   • "knock out a target"
2. knock unconscious or senseless
   • "the boxing champion knocked out his opponent in a few seconds"
   • synonyms: kayo, knock cold
3. destroy or break forcefully
   • "The windows were knocked out"
4. overwhelm with admiration
   • "All the guys were knocked out by her charm"
5. empty (as of tobacco) by knocking out
   • "knocked out a pipe"