/ Thesaurus / A Synonyms of argentinosaur Find synonyms for: Noun1. argentinosaur, dinosaurusage: huge herbivorous dinosaur of Cretaceous found in ArgentinaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language