/ Dictionary / Index G good-bye: Meaning and Definition of Find definitions for: good-bye Pronunciation: (good"bī'), [key] — interj., n., pl. -byes. —interj. farewell (a conventional expression used at parting). —n. a farewell. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: good-bye (Thesaurus) good-by good cheer Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language