Definition of raison d'être in English:

raison d'être

Line breaks: rai¦son d'être
Pronunciation: /ˌreɪzɒ̃ ˈdɛtrə
 
, ʀɛzɔ̃ dɛtʀ/

noun (plural raisons d'être pronunc. same)

The most important reason or purpose for someone or something’s existence: seeking to shock is the catwalk’s raison d'être
More example sentences
  • After all, is this not its entire raison d'être, in contrast to the anarchy of capitalism?
  • In the former, the raison d'être of most experiments appears to be the elucidation of points of purely scientific interest.
  • We started with the real raison d'être for our armed forces.

Origin

French, literally 'reason for being'.

Definition of raison d'être in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day antebellum
Pronunciation: ˌantɪˈbɛləm
adjective
occurring or existing before a particular war…