Sine qua non Definition & Meaning | Britannica Dictionary (original) (raw)

sine qua non

/ˌsɪnɪˌkwɑːˈnɑːn/

noun

plural

sine qua nons

sine qua non

/ˌsɪnɪˌkwɑːˈnɑːn/

noun

plural

sine qua nons

Britannica Dictionary definition of SINE QUA NON

[count]

formal

:

something that is absolutely needed

• Patience is a sine qua non for this job.

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