bye-bye

Noun

1.

bye-bye - a farewell remark; "they said their good-byes" Synonyms: cheerio, good day, good-by, good-bye, goodby, goodbye, sayonara, so long, adieu, adios, arrivederci, au revoir, auf wiedersehen, bye

adieu, adios, arrivederci, au revoir, auf wiedersehen, bye, cheerio, farewell, good day, good-by, good-bye, goodby, goodbye, sayonara, so long, word of farewell