/ Thesaurus / R Synonyms of regular polygon Find synonyms for: Noun1. regular polygon, isogonusage: a polygon with all sides and all angles equalWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language