bye-bye

== English == === Alternative forms === by-by (rare) bye bye byebye buh-bye (eye dialect) === Etymology === Reduplication of bye. === Pronunciation === IPA(key): /baɪˈbaɪ/, /ˈbaɪbaɪ/, /bəˈbaɪ/ Rhymes: -aɪ, -aɪbaɪ === Interjection === bye-bye (informal, often childish) Goodbye. ==== Translations ==== === Noun === bye-bye (plural bye-byes) (colloquial, often childish) A goodbye. (colloquial, childish) Bedtime for a toddler, going to sleep, going to bed. Synonym: beddy-bye ==== Descendants ==== ==== Translations ====