/ Thesaurus / C Synonyms of congregational church Find synonyms for: Noun1. Congregational Church, Protestant denominationusage: a Protestant denomination holding that each individual congregation should be self-governingWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language