noun, noun or participle which takes 'suru', transitive verb
knockout
Used in boxing and combat sports for a decisive blow that ends the match. Also used figuratively for overwhelming impact or elimination.
彼は第3ラウンドでノックアウト勝ちを収めた。
He won by knockout in the third round.
その新製品は競合他社をノックアウトした
The new product knocked out the competition.