bye-bye

bye-bye

(bī′bī′, bī-bī′)interj. Used to express farewell.adv. Informal 1. Away.2. To bed; to sleep: "[Live Senate television is] a great way to go bye-bye. Pretty soon you're asleep" (William Proxmire).

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[Reduplication of bye.]

bye-bye

(interj. ˈbaɪˈbaɪ; n., adv. ˈbaɪˌbaɪ)

interj. 1. good-bye. n. 2. Baby Talk. sleep. adv. 3. go bye-bye, Baby Talk. to leave; depart; go out. Idiom. [1700–10; appar. orig. nursery phrase used to lull a child to sleep, later construed as reduplicative form of by²]

Thesaurus

Noun

1.

bye-bye - a farewell remark; "they said their good-byes"cheerio, good day, goodby, good-by, goodbye, good-bye, sayonara, so long, adieu, adios, arrivederci, au revoir, auf wiedersehen, byefarewell, word of farewell - an acknowledgment or expression of goodwill at parting

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