interjection

hey

hey

Hey, how are you?

Hey, how are you?

Hey! Be careful with that.

Hey! Be careful with that.

((interjection)) used to get attention or as a greeting. Hey, what are you doing?

Synonyms: hi, yo, what's up

Of imitative origin, a natural expression used to call attention.

Think of 'hay' in a field. You might shout 'Hey!' across the field to a friend. The words sound the same.

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