/ Dictionary / Index O outbound: Meaning and Definition of Find definitions for: out•bound Pronunciation: (out'bound'), [key] — adj. outward bound: an outbound freighter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: outbound (Thesaurus) outbond out-box Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language