/ Thesaurus / S Synonyms of smooth tongued Find synonyms for: Adjective1. glib, glib-tongued, smooth-tongued, persuasive (vs. dissuasive)usage: artfully persuasive in speech; "a glib tongue"; "a smooth-tongued hypocrite"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language