knockout
UK /ˈnɒk.aʊt/ · US /ˈnɑk.oʊt/ noun, adjective
Forms knockouts knock-out
- noun The act of making one unconscious, or at least unable to come back on one's feet within a certain period of time; a TKO. “The boxer scored a knockout on his opponent.”
- noun The deactivation of anything.
- noun (informal) Something wildly popular, entertaining, or funny. “If you've ever had a sack race, you know it's a real knockout for kids and adults alike.”
- noun (informal) A very attractive person, especially a beautiful woman.
- noun A partially punched opening meant for optional later removal. “They left a knockout in the panel for running extra wires someday.”
- noun (genetics) The deactivation of a particular gene.
- noun (genetics) A creature engineered with a particular gene deactivated.
- noun (printing) An event where a foreground color causes a background color not to print.
- adjective Rendering someone unconscious. “He delivered a knockout blow.”
- adjective Amazing; gorgeous; beautiful. “You should have seen her knockout eyes.”
- adjective (genetics) Designating an organism in which a particular gene has been removed or deactivated.
- adjective Causing elimination from a competition.
Synonyms
stunner smasher beauty ravisher sweetheart peach lulu looker mantrap dish KO kayo hard severe
Etymology
Deverbal from knock out.
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “knockout”, CC BY-SA 4.0. Details