bye-bye

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

interjection

Informal. goodbye.

noun

Baby Talk. sleep.

Idioms for bye-bye

    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

Example sentences 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.

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