Breadcrumb Home > Thesaurus > P Synonyms of pentasyllabic Find synonyms for: Adjective1. pentasyllabic, syllabic (vs. nonsyllabic)usage: having or characterized by or consisting of five syllablesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: acronym Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language