knock out

Verb

• empty (as of tobacco) by knocking out
  • knocked out a pipe
    

• overwhelm with admiration
  • All the guys were knocked out by her charm
    

• destroy or break forcefully
  • The windows were knocked out
    

• knock unconscious or senseless
  • the boxing champion knocked out his opponent in a few seconds
    

• eliminate
  • knock out a target
    

Related words

• Synonyms: 
  knock cold , kayo