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Word of the Day Tuesday, June 9, 2026

hyperactivity

/ˌhaɪpərˈæktɪvɪti/ noun · British & US
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What does hyperactivity mean?

noun

Excessive physical or mental activity, especially in children, characterized by restlessness, impulsivity, and an inability to sit still or focus attention.

Example

"The child's hyperactivity made it difficult for her to focus in class and complete her assignments."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for hyperactivity

Antonyms of hyperactivity

Rhymes with hyperactivity

Etymologically related