knock out
The phrase 'knock out' can describe rendering someone unconscious, eliminating someone from a competition, exhausting someone, or impressing someone greatly.
Definition
B2Physical Actions
(informal, idiomatic)To render someone unconscious, usually by a physical blow.
Example
- The boxer knocked out his opponent in the third round.
B2Competitions
(informal, idiomatic)To eliminate someone from a competition or contest.
Example
- They were knocked out of the tournament in the semifinals.
B2Daily Activities
(informal, idiomatic)To make someone very tired or exhausted.
Example
- The long hike really knocked me out.
B2Production
(informal, idiomatic)To complete or produce something quickly and efficiently.
Example
- He managed to knock out the report in just a few hours.
B2Emotional Response
(informal, idiomatic)To impress or astonish someone greatly.
Example
- The performance really knocked me out.
Similar
Terms that have similar or relatively close meanings to "knock out":
knock out of the boxknock downknock the living daylights out ofpunch outknock backsmack outknock upchoke outknock offknock overknock inknock underpunched outknock onknock aboutknock it offdown for the countbody blowbeat downtap outbang outknock into a cocked hatgut punchblow outone-two punchblack outbeat the daylights out ofkick outknock togetherbare knuckleblitz outblank outslobber knockerkick overtag outbeat the stuffing out ofsmash downpass outsmack downhit outpunch drunkbang offsmoke outconk outpunch downcrash outnut outsmack upstomp outbomb outbeat outpunch instrike a blowbeat the shit out ofkill offkidney punchstrike outhit one out of the ballparkblock outpack a punchstrike downlay a glove onknock knockdown and outbox outbox offstop outsucker punch