/ Dictionary / Index L long suit: Meaning and Definition of Find definitions for: long' suit' Pronunciation: [key] the suit in which the most cards are held in a hand. (in bridge) a suit in which four or more cards are held in a hand. the quality, activity, endeavor, etc., in which one excels: Diligence is his long suit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. long-suffering long sweetening Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language