/ Thesaurus / L Synonyms of lantern jawed Find synonyms for: Adjective1. lantern-jawed, prognathous (vs. opisthognathous), prognathic, hypognathoususage: having a protruding jaw giving the face a gaunt appearanceWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: magnanimous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language