Knockout | Mean of knockout in English Dictionary

/ˈnɑːkˌaʊt/

• Noun
• an occurrence in which a boxing match ends when a fighter has been knocked down by a punch and is unable to start fighting again before 10 seconds have passed
1. He won the match by a knockout.
2. He scored a knockout in the fourth round.
• a very attractive or appealing person or thing
1. She's a real knockout in that dress.
• causing someone to become unconscious
1. a knockout punch/blow

• extremely attractive or appealing
1. a knockout actress/movie
• designed so that winning teams or players continue to play and losing teams or players do not
1. The Wimbledon tennis tournament is a knockout competition.