/ Thesaurus / A Synonyms of aurora australis Find synonyms for: Noun1. aurora australis, southern lights, aurorausage: the aurora of the southern hemisphereWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language