First Known Use: 1911
Dictionary
1KO
noun \(ˌ)kā-ˈō, ˈkā-(ˌ)ō\
Definition of KO
: knockout
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Origin of KO
knock out
Rhymes with KO
aglow, ago, airflow, airglow, air show, alow, although, archfoe, argot, a throw, backflow, backhoe, bandeau, Baotou, barlow, bateau, below, bestow, big toe, bon mot, bravo, by-blow, cachepot, callow, caló, Carlow, cash flow, chapeau, Chi-Rho, cockcrow, Cocteau, cornrow, corn snow, crossbow, Cousteau, Darrow, Day-Glo, dayglow, death row, Defoe, de trop, deathblow, deco, down-bow, dumb show, elbow, escrow, fencerow, flambeau, floor show, flyblow, fogbow, forego, foreknow, forgo, freak show, free throw, Freneau, Fuzhou, galop, game show, genro, gigot, Glencoe, go-slow, Gounod, Guangzhou, gung ho, guyot, Hadow, Hangzhou, Hankow, Harrow, heave-ho, hedgerow, heigh-ho, hello, hollo, horse show, ice floe, ice show, inflow, in tow, Io, jabot, jambeau, Jane Doe, jim crow, Jinzhou, Joe Blow, Jiaozhou, John Doe, Juneau, Hounslow, kayo, Lanzhou, lie low, light show, longbow, low blow, Luchow, macho, mahoe, maillot, mallow, manteau, Marlowe, Marot, marrow, matelot, merlot, Meursault, minnow, Miró, misknow, Moho, mojo, morceau, morrow, Moscow, mucro, mudflow, Murrow, nightglow, no-no, no-show, nouveau, oboe, outflow, outgo, outgrow, oxbow, peep show, Pernod, picot, plateau, pronto, Quanzhou, quiz show, rainbow, Rameau, red snow, reflow, regrow, repo, reseau, road show, rondeau, rondo, roscoe, Roseau, rouleau, sabot, Saint-Lô, salchow, scarecrow, self-sow, serow, shadblow, Shantou, sideshow, skid row, ski tow, Soho, so-so, sound bow, sourdough, stone's throw, sunbow, Suzhou, tableau, Taizhou, talk show, tiptoe, Thoreau, tone row, tonneau, trade show, trousseau, Trudeau, uh-oh, unsew, up-bow, upthrow, van Gogh, wallow, Wenzhou, Wicklow, widow, willow, windrow, windthrow, winnow, Winslow, Wuzhou, Xuzhou, Yalow, yarrow, Zhangzhou, Zhengzhou, Zibo
2KO
verb
boxing : to knock (an opponent) out
KO'd \kā-ˈōd, ˈkā-(ˌ)ōd\ KO'·ing \-ˈō-iŋ, -(ˌ)ō-\
Full Definition of KO
transitive verb
: to knock out (as in boxing)
See KO defined for English-language learners
First Known Use of KO
1926
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