/ Dictionary / Index S smooth-tongued: Meaning and Definition of Find definitions for: smooth-tongued Pronunciation: (sm'tungd'), [key] — adj. fluent or convincing in speech; glib. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: smooth-tongued (Thesaurus) smooth-talk smoothy Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language