Breadcrumb Home > Thesaurus > P Synonyms of proteus Find synonyms for: Noun 1. Proteus usage: (Greek mythology) a prophetic god who served Poseidon; was capable of changing his shape at will 2. Proteus, genus Proteus, amphibian genus usage: type genus of the Proteidae WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of proteus (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: viscous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language