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raison d’être - definition and synonyms

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noun [countable]     raison d’être pronunciation in American English
/reɪzoʊn ˈdetrə/
Word Forms
singularraison d’être
pluralraisons d’être
  1. 1
    the reason why something exists or is considered to be important

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

  2. 2
    the main purpose of someone’s life

    Taking care of her grandchildren seemed to be her whole raison d’être.



a lifestyle focussing on simple pleasures such as comfort and cosiness in the home, and spending time with friends and family

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a form of location that involves the underwater detonation of a bomb which causes sound waves that are picked up by ships

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