Breadcrumb Home > Thesaurus > W Synonyms of western australia Find synonyms for: Noun1. Western Australiausage: a state containing the western third of AustraliaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: sepulture Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language