/ Dictionary / Index N northbound: Meaning and Definition of Find definitions for: north•bound Pronunciation: (nôrth'bound"), [key] — adj. going toward the north: northbound traffic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: northbound (Thesaurus) Northborough North Brabant Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language