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Definition raison d’être in British English

raison d’être noun

[countable] noun
/ˌreɪzɒ̃ ˈdetrə/
1

the reason why something exists or is considered to be important

Example

Sharing problems with others is the group's raison d'être.

Synonyms and related words
2

the main purpose of someone's life

Example

Looking after her grandchildren seemed to be her whole raison d'être.

Synonyms and related words
Definition raison d’être in British English