goodbye

or good-bye

[ goo d-bahy ]
/ ˌgʊdˈbaɪ /

interjection

farewell (a conventional expression used at parting).

noun, plural good·byes.

a farewell.

Origin of goodbye

First recorded in 1565–75; contraction of God be with ye

Example sentences from the Web for good-bye

British Dictionary definitions for good-bye

goodbye
/ (ˌɡʊdˈbaɪ) /

sentence substitute

farewell: a conventional expression used at leave-taking or parting with people and at the loss or rejection of things or ideas

noun

a leave-taking; parting they prolonged their goodbyes for a few more minutes
a farewell they said goodbyes to each other

Word Origin for goodbye

C16: contraction of God be with ye