/ Dictionary / Index L leisure suit: Meaning and Definition of Find definitions for: lei'sure suit" Pronunciation: [key] a man's casual suit, consisting of trousers and a matching jacket styled like a shirt, often made in pastel colors. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. leisurely leisurewear Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language