Definition of de rigueur in English:

de rigueur

adjective

  • Required by etiquette or current fashion.

    ‘it was de rigueur for bands to grow their hair long’
    • ‘As for kissing other women, it is de rigueur to 'kiss air' somewhere near the other woman's cheek, though the cheeks usually make contact.’
    • ‘Corporate data governance is in the process of moving from de rigueur to de facto to de jure.’
    • ‘A list of favorite books is de rigueur for any forgettable personal webpage.’
    • ‘Plenty of musicians have their own blogs and online tour diaries have become de rigueur.’
    • ‘Free entry-level products are rapidly become de rigueur in many areas of software, notably in programming tools where there are hundreds of thousands of freely available goods.’
    fashionable, in fashion, voguish, in vogue, modish, up to date, up to the minute, all the rage, trendsetting, latest
    customary, standard, conventional, normal, orthodox, usual, ubiquitous
    View synonyms

Origin

Mid 19th century: French, literally ‘in strictness’.

Pronunciation

de rigueur

/də rɪˈɡəː/