De rigueur

Wearing a suit to a job interview is de rigueur.

This season, the little black dress is de rigueur.

[…] his nose—if a sketch of his features be de rigueur for a person of his pretensions—was artistically beautiful enough to have been worth doing in marble by any sculptor not over-busy, […].

[…] Lady Muriel—not being one of those lady-singers who think it de rigueur to decline to sing till they have been petitioned three or four times, […].

It is still de rigueur for the victorious State to add to its exploitable territory at the expense of the conquered.

Not a problem. I lived half my adult life in a country where dropping in unannounced was de rigueur.

It is often expected of rock stars that they'll sport a ghostly pallor and in this respect Simon Neil of Biffy Clyro doesn't disappoint: as well as a black leather jacket and the de rigueur beard and the tattoos that cover his muscled arms, he blinks into the sunshine as someone barely used to it.

Super-thin rice noodles, or vermicelli, are de rigueur here, but as with pad thai the secret is all in the preparation.

All I spot are lots of anglers on the canal at Wigan, indulging in a sport where social distancing is de rigueur!

Zachary Woolfe, our classical music critic, tells me that standing ovations are now de rigueur at opera and symphony performances in the United States, but less so in Europe.