[interjection bahy-bahy; noun, adverb bahy-bahy]


Informal. goodbye.


Baby Talk. sleep.


    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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for bye-bye

Contemporary Examples of bye-bye

  • From mochaccino to Mary Jane, from jitter juice to joint, from java to ganja, say bye-bye barista, hello pot-ista.

    The Daily Beast logo
    Criminalize Coffee, Not Cannabis

    Robert Rosenthal

    December 16, 2010

Historical Examples of bye-bye