hyperactivity

American  

[hahy-per-ak-tiv-i-tee] / ˌhaɪ pər ækˈtɪv ɪ ti /

noun

1. the condition of being hyperactive.

2. hyperkinesia.

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hyperactivity Scientific  

/ hī′pər-ăk-tĭv′ĭ-tē /

1. An abnormally high level of activity or excitement shown by a person, especially a child, that interferes with the ability to concentrate or interact with others.

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Etymology

Origin of hyperactivity

First recorded in 1885–90; hyperactive + -ity

Example Sentences

Three were diagnosed with ADHD, or attention-deficit/hyperactivity disorder, as adults.

From The Wall Street Journal

Cohen said he has attention-deficit/hyperactivity disorder, or ADHD, and he has found that the pouches can provide a quick productivity boost.

From The Wall Street Journal

"These results also provide a potential explanation for how stimulants treat hyperactivity, which previously seemed paradoxical," Dosenbach added.

From Science Daily

His hyperactivity for much of the day - leaping about his technical area and gesturing madly in the manner of a man at a rave - had gone.

From BBC

It was at least the fourth time in less than a year that then 8-year-old Trent Davis, who has autism and attention-deficit hyperactivity disorder, had run away from home, police reports show.

From The Wall Street Journal