Breadcrumb Home > Thesaurus > P Synonyms of protuberate Find synonyms for: Verb1. protuberateusage: cause to bulge out or project2. protuberate, bulge, bagusage: form a rounded prominence; "The starved child's belly protuberated"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of protuberate (Dictionary) ✖ Related Content Daily Word Quiz: acronym Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language