de rigueur
adjective/də rɪˈɡɜː(r)/
/də rɪˈɡɜːr/
[not before noun] (from French)- considered necessary if you wish to be accepted socially
- Evening dress is de rigueur at the casino.
Word Originmid 19th cent.: French, literally ‘in strictness’.
Check pronunciation:
de rigueur