/ Thesaurus / B Synonyms of byzantine church Find synonyms for: Noun1. Eastern Church, Byzantine Church, Catholic Churchusage: the Catholic Church as it existed in the Byzantine EmpireWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language