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Synonyms

goodbye

American  
[good-bahy] / ˌgʊdˈbaɪ /
Sometimes goodby, or good-bye

interjection

  1. farewell (a conventional expression used at parting).

noun

plural

goodbyes

  1. a farewell.

goodbye British  
/ ˌɡʊdˈbaɪ /

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

"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

noun

  1. a leave-taking; parting

    they prolonged their goodbyes for a few more minutes

  2. a farewell

    they said goodbyes to each other
"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

Etymology

Origin of goodbye

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“We’re feeling the AGI here,” host John Coogan said with a smile, before saluting goodbye to Fidji Simo, OpenAI’s newly annointed chief executive of applications.

From The Wall Street Journal • Apr. 3, 2026

“They kissed that opportunity goodbye by failing to provide funding for those agencies.”

From Slate • Mar. 28, 2026

Gellar has the chance to wave Buffy Summers goodbye, blow her a kiss and revisit her sometime in the future, if that time ever comes.

From Salon • Mar. 26, 2026

But on Monday, while saying a victorious goodbye to Pauley Pavilion, the Bruins were still mostly unbothered.

From Los Angeles Times • Mar. 24, 2026

I know when it stops, the silence will make me sad, as it will mean goodbye, or as you say in your language, adiós.

From "Across So Many Seas" by Ruth Behar

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.