/ Dictionary / Index G GDP: Meaning and Definition of Find definitions for: GDP Pronunciation: [key] gross domestic product. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gdp (Thesaurus) gDNA GDR Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language