/ Thesaurus / U Synonyms of utahraptor Find synonyms for: Noun1. utahraptor, superslasher, maniraptorusage: large (20-ft) and swift carnivorous dinosaur having an upright slashing claw 15 inches long on each hind foot; early CretaceousWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language