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Good-by or goodbye?

good-by is an interjection meaning “Dated form of goodbye”; goodbye is an interjection meaning “Farewell; a formula used to another person or persons when the speaker, writer…”.

good-byorgoodbye

What is the difference between good-by and goodbye?

good-bygoodbye
Part of speechinterjection, nouninterjection, noun, verb
Meaning

Farewell; a formula used to another person or persons when the speaker, writer, or person addressed is departing

An utterance of goodbye, the wishing of farewell to someone

To say goodbye; to wish somebody farewell on parting

Examplenone recordedGoodbye! - Goodbye, Anna
Formsgood-bysgood-bye
Pronunciationnot recorded/ɡʊdˈbaɪ/ /ɡɵdˈbɑj/
In writingnot counted (the list counts single words)20 times per million words

Sources: good-by and goodbye in the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Every current meaning of good-by and goodbye

good-by

  1. 1

    interjection datedDated form of goodbye

  2. 2

    noun datedDated form of goodbye

goodbye

  1. 1

    interjection Farewell; a formula used to another person or persons when the speaker, writer, or person addressed is departing

    Goodbye! - Goodbye, Anna

  2. 2

    noun An utterance of goodbye, the wishing of farewell to someone

    They made their good-byes

  3. 3

    verb To say goodbye; to wish somebody farewell on parting

Source: the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); obsolete, archaic, dialect and rare senses left out.

Which is more common, good-by or goodbye?

good-by is a phrase, which the list of single words does not count; goodbye 20 times per million words.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

The words