What is the definition of
bye-bye
1.
[ noun ]
a farewell remark
Synonyms:
good-bye
adieu
adios
good-by
au_revoir
auf_wiedersehen
good_day
goodby
cheerio
goodbye
bye
sayonara
so_long
arrivederci
Examples:
"they said their good-byes"
Related terms:
farewell
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Similar spelling:
Bybee