/ Dictionary / Index W WNW: Meaning and Definition of Find definitions for: WNW Pronunciation: [key] west-northwest. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: wnw (Thesaurus) WMO wo Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language