Synonyms of sine qua non

sine qua non

noun

ˌsi-ni-ˌkwä-ˈnän 

as in must

something necessary, indispensable, or unavoidable

an extensive grounding in mathematics is a sine qua non for a career in architecture

Synonyms & Similar Words

• must
• requirement
• necessity
• necessary
• need
• essential
• must-have
• demand
• requisite
• needful
• condition
• advantage
• prerequisite
• plus
• precondition
• wish
• desideration
• edge
• desideratum

Antonyms & Near Antonyms

• surplus
• extra
• nonnecessity
• luxury
• comfort
• indulgence
• extravagance
• nonessential
• surplusage
• superfluity
• frill
• amenity

Examples of sine qua non in a Sentence

Recent Examples on the Web

And as far as the president is concerned, this is the sine qua non of a lasting peace in the region. —CBS News, 26 Nov. 2023

From sine qua non of American psychedelia, to folk-rock deity, jam band progenitor, disco Dead and Top 40 sensation, there was seemingly no pivot the band couldn’t navigate in its 30 years. —Erin Osmon, Los Angeles Times, 3 Oct. 2023

As research makes clear, substantial flexibility is the sine qua non for employee engagement. —Gleb Tsipursky, Fortune, 25 Sep. 2023

The research team determined that the finger holes had been made with a flint tool so precise that the holes could be sealed with a fingertip, the sine qua non of wind instruments. —Franz Lidz, New York Times, 28 Aug. 2023