de rigueur

1. 1.

   required by etiquette or usage or fashion

   “instruction as to when and where a silk hat is de rigueur”

   Similarobligatory

Questions about de rigueur

What does de rigueur mean?

de rigueur means "required by etiquette or usage or fashion".

Is de rigueur a common word?

de rigueur is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.