Breadcrumb Home > Thesaurus > J Synonyms of jupiter Find synonyms for: Noun 1. Jupiter usage: the largest planet and the 5th from the sun; has many satellites and is one of the brightest objects in the night sky 2. Jupiter, Jove usage: (Roman mythology) supreme god of Romans; counterpart of Greek Zeus WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of jupiter (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: meretricious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language