Breadcrumb Home > Thesaurus > S Synonyms of sectarianism Find synonyms for: Noun 1. sectarianism, denominationalism, narrow-mindedness, narrowness usage: a narrow-minded adherence to a particular sect or party or denomination; "he condemned religious sectarianism" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of sectarianism (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: irascible Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language