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bye-bye

[interjection bahy-bahy; noun, adverb bahy-bahy]
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interjection
  1. Informal. goodbye.
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noun
  1. Baby Talk. sleep.
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Idioms
  1. go bye-bye, Baby Talk.
    1. to leave; depart; go out.
    2. to go to sleep; go to bed.
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Origin of bye-bye

1700–10; apparently orig. nursery phrase used to lull a child to sleep, later construed as reduplicative form of bye, short for goodbye
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for bye-bye

adieu, goodbye, sendoff, bye-bye, valediction, salutation, parting, ciao, cheerio, adios, leave-taking, Godspeed, farewell, send-off, arrivederci, bye, sayonara, ta-ta, toodle-oo

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Contemporary Examples of bye-bye

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