Definition of bye–bye
—used to express farewell
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Origin and Etymology of bye–bye
baby-talk reduplication of goodbye
First Known Use: circa 1736
adverb
\ˈbī-ˌbī\
variants: or
by–by
Definition of bye–bye
: out especially for a walk or ride —used with the verb go
1917
First Known Use of bye–bye
1917
1867
First Known Use of bye–bye
1867
adverb
\ˈbī-ˌbī\
variants: or
by–by
Definition of bye–bye
: to bed or sleep —used with the verb go
1909
First Known Use of bye–bye
1909
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