DE RIGUEUR


Meaning of DE RIGUEUR in English

/ ˌdə rɪˈgɜː(r); NAmE / adjective

[ not before noun ] (from French ) considered necessary if you wish to be accepted socially :

Evening dress is de rigueur at the casino.

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WORD ORIGIN

mid 19th cent.: French , literally in strictness .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.