/ Dictionary / Index D dress suit: Meaning and Definition of Find definitions for: dress' suit' Pronunciation: [key] a man's suit for formal evening dress, with tail coat and open-front waistcoat. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dress shirt dress uniform Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language