/ Dictionary / Index D deferential: Meaning and Definition of Find definitions for: def•er•en•tial Pronunciation: (def"u-ren'shul), [key] — adj. showing deference; deferent; respectful. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: deferential (Thesaurus) deferent deferment Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language