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bye-bye

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bye-bye

Main Entry:: ¹bye–bye
Variant(s):: or by–by \ˈbī-ˌbī, bī-ˈbī\
Function:: interjection
Etymology:: baby-talk reduplication of goodbye
Date:: circa 1736

—used to express farewell

Learn more about "bye-bye" and related topics at Britannica.com

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