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.

((sb./sth.)) is hyperactive The hyperactive child couldn't sit still.

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

From Greek 'hyper' (over, beyond) + 'active'. Meaning 'overly active'.

Think of 'hyper' as meaning 'high' energy. A hyperactive person has energy that is too high.

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