Breadcrumb Home > Thesaurus > T Synonyms of triassic Find synonyms for: Noun 1. Triassic, Triassic period usage: from 230 million to 190 million years ago; dinosaurs, marine reptiles; volcanic activity Adjective 1. Triassic usage: of or relating to or denoting the first period of the Mesozoic era WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of triassic (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: agitprop Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language