Breadcrumb Home > Thesaurus > E Synonyms of eocene Find synonyms for: Noun 1. Eocene, Eocene epoch usage: from 58 million to 40 million years ago; presence of modern mammals WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of eocene (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: inchoate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language