Definitions

1. noun

a successful or impressive performance, especially in sports; a hit or blow that knocks someone out; a person or thing that is exceptionally good or impressive

“The boxer’s knockout in the championship match made him an overnight sensation.”

2. verb

to defeat or overcome someone or something completely; to render someone unconscious by hitting them

“The team’s knockout performance in the finals secured their place in the league.”

3. adjective

exceptionally good or impressive

“The knockout food at the restaurant was well worth the high price.”

4. idiomatic phrase

to eliminate or get rid of someone or something

“The company will knock out the old machinery to make room for new production lines.”