/ Dictionary / Index D Dem: Meaning and Definition of Find definitions for: Dem Pronunciation: (dem), [key] — n. Informal. a member of the Democratic party. the Democratic party. Dem. Pronunciation: [key] Democrat. Democratic. dem. Pronunciation: [key] demonstrative. demurrage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dely. demagnetize Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language