Breadcrumb Home > Thesaurus > B Synonyms of bullfrog Find synonyms for: Noun 1. bullfrog, Rana catesbeiana, true frog, ranid usage: largest North American frog; highly aquatic with a deep-pitched voice WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of bullfrog (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: stasis Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language