Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • interj. Used to express an acknowledgment of parting.
  • n. An acknowledgment at parting, especially by saying "goodbye.”
  • n. An act of parting or leave-taking: many sad goodbyes.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • interj. farewell; a formula used to another person or persons when the speaker or writer or person addressed is departing.
  • n. An utterance of goodbye, the wishing of farewell to someone.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a farewell remark

Etymologies

Alteration (influenced by good day) of God be with you.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From earlier Godby, Godby'e, Godbwye, God b'w'y, God bwy yee, God buy you, God be wi' you: each a progressively shorter contraction of God be with you, with change of God to good by confusion with good morning, good day, etc. (Wiktionary)

Examples

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Comments

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  • I heard someone the other day say goodbye as: "Toodles and cheese!". I don't know about you, but I reckon that's a new one.

    August 2, 2009

  • ...Norma Jean

    July 29, 2008