an act or instance of knocking out.
the state or fact of being knocked out.
a knockout blow.
Informal. a person or thing overwhelmingly attractive, appealing, or successful.
a panel in a casing, can, or box, especially of metal or plastic, so designed that it can readily be removed, as by punching, hammering, or cutting, to provide an opening into the interior:
a knockout in a junction box.
Machinery. a device for knocking something loose, as finished work from a lathe chuck.
that knocks out:
the knockout punch.
the act of rendering unconscious
a blow that renders an opponent unconscious
a series of absurd invented games, esp obstacle races, involving physical effort or skill
(informal) a person or thing that is overwhelmingly impressive or attractive: she’s a knockout
verb (transitive, adverb)
to render unconscious, esp by a blow
(boxing) to defeat (an opponent) by a knockout
to destroy, damage, or injure badly
to eliminate, esp in a knockout competition
(informal) to overwhelm or amaze, esp with admiration or favourable reaction: I was knocked out by that new song
to remove the ashes from (one’s pipe) by tapping
also knock-out, in fighting, 1887, from verbal phrase knock out “to stun by a blow for a 10-count” in boxing, short for to knock out of time; see knock (v.) + out. Slang meaning “attractive person” is from 1892. To knock oneself out “make a great effort” is from 1936.
: That was a knockout plot/ a knockout wife and two daughters
An especially attractive person or thing; dish: Saaay, you know, you’re a knockout (1906+)
plural noun 1. chloral hydrate or any similar rapidly acting drug, especially one put in a drink secretly to make the drinker unconscious. plural noun 1. (slang) a drug secretly put into someone’s drink to cause stupefaction See also Mickey Finn noun phrase Chloral hydrate or another stupefacient drug, esp when put into a drink […]
noun A robbery; heist (1940s+ Underworld)
- Knock over with a feather
see under knock for a loop
noun, Cards. 1. a variety of rummy for two to six players, in which a player can end a game by laying down a hand with any number of points in cards not included in sets.