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raison d’être - definition and synonyms

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noun [countable]     raison d’être pronunciation in British English
/ˌreɪzɒ̃ 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

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



to manipulate someone psychologically so that they begin to question their own perceptions and memories

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Dunning-Kruger effect

the phenomenon by which an incompetent person is too incompetent to understand his own incompetence

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