Breadcrumb Home > Thesaurus > D Synonyms of diplodocus Find synonyms for: Noun 1. diplodocus, dinosaur usage: a huge quadrupedal herbivore with long neck and tail; of late Jurassic in western North America WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of diplodocus (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: frisson Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language