Dictionary

raison d'être

noun rai·son d'être \ˌrā-ˌzōⁿ-ˈdetrə\

: the thing that is most important to someone or something : the reason for which a person or organization exists

plural rai·sons d'être also rai·sons d'etre \-ˌzōⁿz-\

Full Definition of RAISON D'ÊTRE

:  reason or justification for existence

Variants of RAISON D'ÊTRE

rai·son d'être also rai·son d'etre \ˌrā-ˌzōⁿ-ˈdetrə\

Examples of RAISON D'ÊTRE

  1. Art is his raison d'être.

Origin of RAISON D'ÊTRE

French
First Known Use: 1864

Rhymes with RAISON D'ÊTRE

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