Question

de rigueur adjective If you're invited to a ball or other social function and the invitation includes the French phrase costume de rigueur, you are expected to adhere to a very strict dress code—typically, a white tie and tails if you're a man and a floor-length evening gown if you're a woman. In French, de rigueur means "out of strictness" or "according to strict etiquette"; one definition of our word rigor, to which rigueur is related, is "the quality of being strict, unyielding, or inflexible." In English, we tend to use de rigueur to describe a fashion or custom that is so commonplace within a context that it seems a prescribed, mandatory part of it. : prescribed or required by fashion, etiquette, or custom : proper

Accepted Answer

October 18, 2018 duh-ree-GUR "[Emma] Stone, who patiently smiled through the de rigueur photo shoot in front of a backdrop emblazoned with the logos of the festival and its sponsors, should be extra light on her feet these days after singing and dancing with co-star Ryan Gosling in one of the opening night movies, 'La La Land.'" — Paul Liberatore, The Marin Independent Journal (Marin County, California), 6 Oct. 2016"It's fascinating to compare not only the speeches that Robert and the king's heir give before heading into combat, but also Robert's words with those Gibson's Wallace delivers in 'Braveheart.' So much has changed in nearly a quarter century's time that Mackenzie's idea of blockbuster heroism robs his 'Outlaw King' of the bombastic pep talk that would have been de rigueur for a studio movie." — John Simon, The Weekly Standard, 2 Mar. 2018

Word	de rigueur
Date	October 18, 2018
Type	adjective
Syllables	duh-ree-GUR
Etymology	If you're invited to a ball or other social function and the invitation includes the French phrase costume de rigueur, you are expected to adhere to a very strict dress code—typically, a white tie and tails if you're a man and a floor-length evening gown if you're a woman. In French, de rigueur means "out of strictness" or "according to strict etiquette"; one definition of our word rigor, to which rigueur is related, is "the quality of being strict, unyielding, or inflexible." In English, we tend to use de rigueur to describe a fashion or custom that is so commonplace within a context that it seems a prescribed, mandatory part of it.
Examples	"[Emma] Stone, who patiently smiled through the de rigueur photo shoot in front of a backdrop emblazoned with the logos of the festival and its sponsors, should be extra light on her feet these days after singing and dancing with co-star Ryan Gosling in one of the opening night movies, 'La La Land.'" — Paul Liberatore, The Marin Independent Journal (Marin County, California), 6 Oct. 2016 "It's fascinating to compare not only the speeches that Robert and the king's heir give before heading into combat, but also Robert's words with those Gibson's Wallace delivers in 'Braveheart.' So much has changed in nearly a quarter century's time that Mackenzie's idea of blockbuster heroism robs his 'Outlaw King' of the bombastic pep talk that would have been de rigueur for a studio movie." — John Simon, The Weekly Standard, 2 Mar. 2018
Definition	: prescribed or required by fashion, etiquette, or custom : proper

De Rigueur Strict Custom October Adjective Duh Ree Gur Invited