bye-bye in English: A friendly, informal way of saying goodbye, often used with small children. (interjection)

Translation

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

Word origin

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

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Adults often teach babies to wave bye-bye.

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A warm, informal way to end a conversation.

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

bye

A short, friendly word you say to someone when you leave or when they leave.

goodbye

The word you say to someone when you leave, or when they leave.

hello

The word you say when you meet someone or answer the phone.

leave

To go away from a place or person, or to let something stay where it is.

go

To move or travel from one place to another.

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