/ Thesaurus / A Synonyms of australopithecus robustus Find synonyms for: Noun1. Australopithecus robustus, australopithecineusage: large-toothed hominid of southern Africa; from 1.5 to 2 million years ago; formerly ParanthropusWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language