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sine qua non

noun

1 sine qua non

A prerequisite.

synonym: essential condition.

Roget 630: requirement, need, wants, necessities; necessaries, necessaries of life; stress, exigency, pinch, sine qua non, matter of necessity; case of need, case of life or death.    needfulness, ... show more

Roget 642: importance, consequence, moment, prominence, consideration, mark, materialness.    import, significance, concern; emphasis, interest.    greatness etc. ... show more

Roget 770: conditions, terms; articles, articles of agreement; memorandum.    clauses, provisions; proviso etc. (qualification) 469; covenant, stipulation, ... show more


Moby thesaurus: bench mark, boundary condition, cardinal point, catch, chief thing, clause, climax, condition, core, cornerstone, crisis, critical point, crux, donnee, escalator clause, escape clause, escape hatch, essence, essential, essential matter ... show more.

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