Definition of sine qua non in English:

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sine qua non

Pronunciation: /ˌsɪni kwɑː ˈnəʊn/
/ˌsʌɪni kweɪ ˈnɒn/


An essential condition; a thing that is absolutely necessary: grammar and usage are the sine qua non of language teaching and learning
More example sentences
  • The study subjects obviously are the sine qua nons of a clinical trial.
  • Adopt these strategies for putting the sine qua non of job search success - networking - to the test.
  • Clearly the first of two sine qua nons is to be able to express one calculated column in terms of another.


Latin, literally '(cause) without which not'.

Words that rhyme with sine qua non

aide-de-camp, aides-de-camp, anon, Asunción, au courant, begone, Bonn, bon vivant, Caen, Canton, Carcassonne, Ceylon, chaconne, chateaubriand, ci-devant, Colón, colon, Concepción, con (US conn), cretonne, don, Duchamp, Evonne, foregone, fromage blanc, Gabon, Garonne, gone, guenon, hereupon, Inchon, Jean, john, Jon, Le Mans, León, Luzon, Mont Blanc, Narbonne, odds-on, on, outgone, outshone, Perón, phon, piñon, Pinot Blanc, plafond, Ramón, Saigon, Saint-Saëns, Sand, Schwann, scone, shone, side-on, Sorbonne, spot-on, swan, thereon, thereupon, ton, Toulon, undergone, upon, Villon, wan, whereon, whereupon, won, wonton, yon, Yvonne

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