noun, plural good·byes.
Origin of goodbye
Examples from the Web for good-bye
T-Model Ford, 93 He took up the guitar after his fifth wife left him (she gave him the guitar as a good-bye present).
Khodafez,” said the American, which is Persian for good-bye or, more accurately, “God be with you.
I think being a show that you get to say good-bye instead of being asked to leave is a real honor.Matt Damon and John Krasinski Talk About Their Bromance, ‘Promised Land,’ and More|Kevin Fallon|December 26, 2012|DAILY BEAST
Good-bye, Brooke, and good luck in your travels; you're going to need it.Charlie Sheen's 10 Worst Quotes, from Anti-Semitism to Alcoholism|The Daily Beast|February 25, 2011|DAILY BEAST
Good-bye for a few minutes, till I come down to the world and ring the kitchen door-bell.
And then, when she said good-bye to him—the thing came flooding back to him now—there had been tears in her eyes.Scaramouche|Rafael Sabatini
He had obtained his passport, and had come to wish me good-bye.Valerie|Frederick Marryat
In the deep secrecy of a crowd he kissed her good-bye, and then went forth to stroll about the town.A Yankee from the West|Opie Read
Five days later, Anissme comes to his mother and bids her good-bye.Contemporary Russian Novelists|Serge Persky
It is always a good rule not to outstay your welcome, and to go when you have once said good-bye.A Pilgrimage to Nejd, Vol. 2 [of 2]|Anne Blunt
British Dictionary definitions for good-bye
Word Origin for goodbye
Word Origin and History for good-bye
also goodbye, good bye, good-by, 1590s, from godbwye (1570s), itself a contraction of God be with ye (late 14c.), influenced by good day, good evening, etc.