Breadcrumb Home > Dictionary > Index G good-by: Meaning and Definition of Find definitions for: good-by Pronunciation: (good"bī'), [key] — pl. -bys. good-bye. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: good-by (Thesaurus) good buddy good-bye ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language