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Noun: goodby (goodbys)  gûd'bI
Usage: US (elsewhere: goodbye)
  1. A farewell remark
    - adieu, adios, arrivederci, auf wiedersehen, au revoir, bye, bye-bye, cheerio [Brit], good-by [US], good-bye [N. Amer], goodbye, good day, sayonara [US], so long, farewell
Interjection: good-by  gûd'bI
Usage: US (elsewhere: goodbye)
  1. An informal farewell remark
    "We all stopped to say good-by before her flight left";
    - cheers [Brit], chin-chin [Brit], toodle-oo, toodle-pip [Brit], ta-ta [Brit], ta-ra [UK], bye, goodbye, bye-bye, good-bye [N. Amer], farewell, sayonara [US], so long, vale [archaic]

Derived forms: goodbys, good-bys

Type of: farewell, word of farewell

Encyclopedia: Goodby, Silverstein & Partners