adjective

hyperactive

hyperactive, overactive

The hyperactive child couldn't sit still.

The hyperactive child couldn't sit still.

He has a hyperactive imagination.

He has a hyperactive imagination.

((to be)) hyperactive to be unusually or abnormally active The puppy is very hyperactive.

a hyperactive ((noun)) a (noun) that is hyperactive It's hard to manage a hyperactive class.

Synonyms: overactive, energetic, restless; Antonyms: calm, lethargic

From the prefix 'hyper-' meaning 'over, beyond' and 'active'. Literally 'overly active'.

Think of 'hyper' as meaning 'super' or 'extra'. So, someone who is 'hyperactive' is extra active.

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