/ Thesaurus / D Synonyms of diabetes mellitus Find synonyms for: Noun1. diabetes mellitus, DM, diabetesusage: diabetes caused by a relative or absolute deficiency of insulin and characterized by polyuria; "when doctors say `diabetes' they usually mean `diabetes mellitus'"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language