Breadcrumb Home > Dictionary > Index D DM: Meaning and Definition of Find definitions for: DM Pronunciation: [key] See dm Pronunciation: [key] decimeter; decimeters. DM. Pronunciation: [key] See Dm. Pronunciation: [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dm (Thesaurus) dlvy. DMA TrendingHere are the facts and trivia that people are buzzing about. Who's Who in the "Lord of the Rings" Roman Catholic Church Hierarchy Current Events This Week: March 2023 42 Top Western Movie Quotes Slaves in the Family User's Guide to Environmental Language ✖ Related Content Daily Word Quiz: wastrel Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language