/ Dictionary / Index N NNW: Meaning and Definition of Find definitions for: NNW Pronunciation: [key] north-northwest. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nnw (Thesaurus) NNP no Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language