Bye-bye meaning

bībī, bī-bī
(informal) Goodbye.
noun
7
1
(informal, often childish) Goodbye.
interjection
6
1
To bed; to sleep.
adverb
4
1
(colloquial, often childish) A goodbye.
noun
2
0
Away.
adverb
2
1
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The definition of bye-bye is a baby-talk expression used when leaving or parting.

An example of bye-bye is when a mother has a baby wave and see daddy off to work. She might say "tell Daddy bye bye."

interjection
1
1
Used to express farewell.
interjection
1
2
(colloquial, often childish) Bedtime for a toddler, going to sleep, going to bed.
noun
0
1
go bye-bye
  • to depart; leave
idiom
0
1

Idioms and Phrasal Verbs

Origin of bye-bye

  • Reduplication of bye

    From American Heritage Dictionary of the English Language, 5th Edition

  • From bye, goodbye.

    From Wiktionary