Breadcrumb Home > Thesaurus > P Synonyms of pliocene Find synonyms for: Noun 1. Pliocene, Pliocene epoch usage: from 13 million to 2 million years ago; growth of mountains; cooling of climate; more and larger mammals WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of pliocene (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: quisling Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language