Main entry: knock out
Definition: destroy or break forcefully
Usage: The windows were knocked out
Main entry: knock out
Definition: empty (as of tobacco) by knocking out
Usage: knocked out a pipe
Main entry: knock out
Definition: eliminate
Usage: knock out a target
Main entry: kayo, knock cold, knock out
Definition: knock unconscious or senseless
Usage: the boxing champion knocked out his opponent in a few seconds
Main entry: knock out
Definition: overwhelm with admiration
Usage: All the guys were knocked out by her charm