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definitions

bye-bye

[ interjection bahy-bahy; noun, adverb bahy-bahy ]
/ interjection ˈbaɪˈbaɪ; noun, adverb ˈbaɪˌbaɪ /
||

interjection

Informal. goodbye.

noun

Baby Talk. sleep.

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RELATED WORDS

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

Nearby words

  1. byde,
  2. bydgoszcz,
  3. bye,
  4. bye-,
  5. bye-blow,
  6. bye-byes,
  7. byelaw,
  8. byelgorod-dnestrovski,
  9. byelorussia,
  10. byelorussian

Idioms

    go bye-bye, Baby Talk.
    1. to leave; depart; go out.
    2. to go to sleep; go to bed.

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. 2019

Examples from the Web for bye-byes

  • Upstairs, the little girl devoted a few minutes to instructing her dolly in the art of going off nicely to bye-byes.

    Princess Mary's Gift Book|Various
British Dictionary definitions for bye-byes

bye-byes

noun

(functioning as singular) an informal word, used esp to children, for sleep go to bye-byes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012