Breadcrumb Home > Thesaurus > J Synonyms of jurassic Find synonyms for: Noun 1. Jurassic, Jurassic period usage: from 190 million to 135 million years ago; dinosaurs; conifers Adjective 1. Jurassic usage: of or relating to or denoting the second period of the Mesozoic era WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of jurassic (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: effluvium Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language