/ Dictionary / Index D de rigueur: Meaning and Definition of Find definitions for: de ri•gueur Pronunciation: (du ri-gûr' Fr. du rē-gœr'), [key] strictly required, as by etiquette, usage, or fashion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. deride deringer Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language