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goodbye

or good-bye

[ good-bahy ]
/ ˌgʊdˈbaɪ /
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interjection

farewell (a conventional expression used at parting).

noun, plural good·byes.

a farewell.

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QUIZ YOURSELF ON AFFECT VS. EFFECT!

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The rainy weather could not ________ my elated spirits on my graduation day.
Sometimes good·by, good-by .

Origin of goodbye

First recorded in 1565–75; contraction of God be with ye
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for goodbye

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; partingthey prolonged their goodbyes for a few more minutes
a farewellthey said goodbyes to each other
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
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