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REFERENCE

goodbye

interj. · n. · v.
US //ˌɡʊdˈbaɪ// UK //ɡʊdbˈaɪ// good·bye
  1. 1 farewell (interj.)
    A1 Beginner

    a word you say when you or another person is leaving.

    a conventional formula used at the time of parting.

    Example

    She waved and said goodbye as she stepped onto the train.

    Example

    Goodbye, and please do not hesitate to contact our office if any further complications arise during your journey.

  2. 2 the act of saying farewell (n.)
    A2 Elementary

    the act of saying the word goodbye or the moment when people leave each other.

    an utterance of farewell or the occasion of parting.

    Example

    It was a sad goodbye at the airport because they wouldn't see each other for months.

    Example

    The long-serving CEO gave a brief, emotional goodbye to the staff before clearing his desk for the final time.

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  1. 3 to say farewell (v.)
    B2 Upper Intermediate Literary

    to say the word goodbye to someone.

    to express a farewell to someone upon their departure.

    Example

    They stood on the porch and goodbyed their guests as the car drove off.

    Example

    The villagers gathered at the quay to goodbye the sailors away on their long expedition across the Atlantic.

    Usage

    often used with 'to' or in the phrase 'goodbye someone away'

    • bid farewell
Origin

From earlier goodby, 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 ye or God be with you. Note the change of God to good by confusion with good morning, good night, etc. Modernly analysed as good + bye.

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