/ Thesaurus / W Synonyms of western empire Find synonyms for: Noun1. Western Roman Empire, Western Empireusage: the western part after the Roman Empire was divided in 395; it lasted only until 476WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language