/ Dictionary / Index T tight-lipped: Meaning and Definition of Find definitions for: tight-lipped Pronunciation: (tīt'lipt'), [key] — adj. speaking very little; taciturn; close-mouthed. having the lips drawn tight. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tight-lipped (Thesaurus) tight-knit tight-mouthed Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language