bye-bye

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

/ interjection ˈbaɪˈbaɪ; noun, adverb ˈbaɪˌbaɪ /

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See synonyms for bye-bye on Thesaurus.com

interjection

Informal. goodbye.

noun

Baby Talk. sleep.

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Idioms about bye-bye

go bye-bye, Baby Talk.

to leave; depart; go out.
to go to sleep; go to bed.

Origin of bye-bye

1700–10; apparently originally nursery phrase used to lull a child to sleep, later construed as reduplicative form of bye, short for goodbye

Words nearby bye-bye

by degrees, by design, Bydgoszcz, by dint of, bye, bye-bye, bye-byes, by-election, Byelgorod-Dnestrovski, Byelorussia, Byelorussian

How to use bye-bye in a sentence

The bye bye is being sung, incidentally, by mothers to their babies condemned to death by King Herod.
Yes, I Like Christmas Music. Stop Laughing.|Michael Tomasky|December 24, 2014|DAILY BEAST
Her very first performance onstage came at the age of 4, when she cameoed as a dancing flower in the musical Bye Bye Birdie.
Jena Malone’s Long, Strange Trip From Homelessness to Hollywood Stardom|Marlow Stern|December 22, 2014|DAILY BEAST
“Good bye boys, I die a true American,” were his last words, according to the headstone.
Brooklyn’s Gangster Graveyard|Nina Strochlic|October 23, 2014|DAILY BEAST
I never knew how long he would last before he said, “Okay, bye.”
A Full-Length Bill Cosby Portrait: From Track Star to Ugly Sweaters|Scott Porch|September 24, 2014|DAILY BEAST

They were calling out to family and friends, asking if there was anything that could be done, and in some cases, saying good-bye.
The Resilient City: New York After 9/11|John Avlon|September 11, 2014|DAILY BEAST
Here were the sources (in part) of the Po and of the Rhine, but I was rather in haste to bid the former good-bye.
Glances at Europe|Horace Greeley
"Yes," said Punch, lifted up in his father's arms to wave good-bye.
Kipling Stories and Poems Every Child Should Know, Book II|Rudyard Kipling
Good-bye, then, Miss Warrender; parting is such sweet sorrow, I e'en could say good-bye until to-morrow.
The Pit Town Coronet, Volume I (of 3)|Charles James Wills
You had better go to him, Dolly, and bid him good bye, before he takes the team to the field.
The World Before Them|Susanna Moodie
Colonial charters were, however, "undoubtedly no more than those of all corporations, which empower them to make bye-laws."
The Eve of the Revolution|Carl Becker