/ Thesaurus / I Synonyms of imperial mammoth Find synonyms for: Noun1. imperial mammoth, imperial elephant, Archidiskidon imperator, mammothusage: largest known mammoth; of AmericaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language