English Dictionary

Define dictionary terms easily in our powerful online English dictionary.

Searching for...

No matching words found

Try a different search term or browse the dictionary

Definition sine qua non in British English

sine qua non noun

[singular] noun
/ˌsɪni kwɑː ˈnɒn/
1

a condition that must exist before something can happen

Synonyms and related words
Definition sine qua non in British English