- knockout
- knock|out1 [ `nak,aut ] noun count1. ) a hit that knocks a BOXER down, so that they cannot get upa ) a BOXING match that is won when one person cannot get up after being hit:a knockout victoryb ) a hard hit with your hand that makes someone unconscious2. ) INFORMAL someone or something that is extremely attractive or impressiveknockoutknock|out 2 [ `nak,aut ] adjective1. ) INFORMAL extremely impressive or attractive2. ) intended to make you unconscious:knockout drops (=a drug added to a drink)deliver/land a knockout blow/punch1. ) to hit someone very hard, so that they fall down and cannot get up2. ) to stop someone from achieving what they want to achieve
Usage of the words and phrases in modern English. 2013.