/ Dictionary / Index D dg: Meaning and Definition of Find definitions for: dg Pronunciation: [key] decigram; decigrams. D.G. Pronunciation: [key] by the grace of God. Director General. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dg (Thesaurus) D.F.M. d-glucose Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language