/ˌbaɪˈbaɪ/

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Meaning

A friendly, informal way of saying goodbye, often used with small children.

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Word origin

A doubled form of bye, itself short for goodbye, from the old phrase God be with ye.

Origin
English
Root
goodbye

Examples

!

Adults often teach babies to wave bye-bye.

, !

A warm, informal way to end a conversation.

.

Bye-bye is one of the first phrases children learn.

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English · Free printables

bye-bye: worksheet, infographic and listicle

Free printable study downloads for the English word "bye-bye" (A friendly, informal way of saying goodbye, often used with small children.): a worksheet with the answer key built in, an infographic, and a sentence listicle. Open any one to view, print or save.

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This word is taught in chapter 24, lesson 12: bye-bye, title, profit and 7 more words.