/ Thesaurus / E Synonyms of eastern church Find synonyms for: Noun1. Orthodox Church, Orthodox Catholic Church, Eastern Orthodox Church, Eastern Church, Eastern Orthodox, Catholic Churchusage: derived from the Byzantine Church and adhering to Byzantine rites2. 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: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language