Breadcrumb Home > Thesaurus > C Synonyms of cenozoic Find synonyms for: Noun 1. Cenozoic, Cenozoic era, Age of Mammals usage: approximately the last 63 million years Adjective 1. Cenozoic usage: of or relating to or denoting the Cenozoic era WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of cenozoic (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: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language