/ Dictionary / Index L laissez-passer: Meaning and Definition of Find definitions for: lais•sez-pas•ser Pronunciation: (les'ā pa-sā' Fr. le-sā pä-sā'), [key] — pl. -ser. a permit; pass, esp. one issued in lieu of a passport. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: laissez-passer (Thesaurus) laissez faire laitance 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