or good-bye

[ good-bahy ]
See synonyms for goodbye on
  1. farewell (a conventional expression used at parting).

noun,plural good·byes.
  1. a farewell.

Origin of goodbye

First recorded in 1565–75; contraction of God be with ye
  • Sometimes good·by, good-by . Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use goodbye in a sentence

British Dictionary definitions for goodbye


/ (ˌɡʊdˈbaɪ) /

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

  1. a leave-taking; parting: they prolonged their goodbyes for a few more minutes

  2. a farewell: they said goodbyes to each other

Origin of goodbye

C16: contraction of God be with ye

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012