/ Dictionary / Index N NGNP: Meaning and Definition of Find definitions for: NGNP Pronunciation: [key] nominal gross national product. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. NGk NGO Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language