sine qua non[noun]Synonyms: essential, condition, must, necessity, precondition, prerequisite, requirement, requisite
[TahlilGaran] English Synonym Dictionary ▲
si‧ne qua non /ˌsɪni kwɑː ˈnəʊn $ -ˈnɑːn/
noun [singular] formal[
Date: 1600-1700;
Language: Late Latin;
Origin: 'without which not']
something that you must have, or which must exist, before something else can happen
Synonym : prerequisitesine qua non for/of
The control of inflation is a sine qua non for economic stability. [TahlilGaran] Dictionary of Contemporary English ▲