/ Thesaurus / A Synonyms of allosaurus Find synonyms for: Noun1. allosaur, allosaurus, theropod, theropod dinosaur, bird-footed dinosaurusage: late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurusWordNet 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