/ Thesaurus / J Synonyms of jupiter tonans Find synonyms for: Noun1. Jupiter Tonans, Thundererusage: an epithet for JupiterWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language