Breadcrumb Home > Thesaurus > E Synonyms of equilateral Find synonyms for: Noun 1. equilateral, figure usage: a figure whose sides are all equal Adjective 1. equilateral, equal (vs. unequal) usage: having all sides or faces equal WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of equilateral (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language