/ Dictionary / Index C closemouthed: Meaning and Definition of Find definitions for: close•mouthed Pronunciation: (klōs'moud', -moutht'), [key] — adj. reticent; uncommunicative. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: closemouthed (Thesaurus) close-lipped close-order drill Related Content Daily Word Quiz: inane Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language