Breadcrumb Home > Thesaurus > O Synonyms of overzealous Find synonyms for: Adjective 1. fanatic, fanatical, overzealous, rabid, passionate (vs. passionless) usage: marked by excessive enthusiasm for and intense devotion to a cause or idea; "rabid isolationist" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of overzealous (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: juggernaut Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language