bye-bye
interjection
\ ˈbī-ˌbī
, bī-ˈbī \
, bī-ˈbī \
variants:
or by-by
Definition of bye-bye
(Entry 1 of 4)
—used to express farewell
bye-bye
adverb (1)
\ ˈbī-ˌbī
\
\
variants:
or by-by
Definition of bye-bye (Entry 2 of 4)
: out especially for a walk or ride
—used with the verb go
bye-bye
noun
\ ˈbī-ˌbī
\
\
variants:
or by-by
bye-bye
adverb (2)
\ ˈbī-ˌbī
\
\
variants:
or by-by
Definition of bye-bye (Entry 4 of 4)
: to bed or sleep
—used with the verb go
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“Bye-bye.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bye-bye. Accessed 25 Feb. 2021.
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Time Traveler for bye-bye
The first known use of bye-bye was circa 1736
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