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hyperactivity

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

noun

  1. the condition of being hyperactive.

  2. hyperkinesia.


hyperactivity Scientific  
/ hī′pər-ăk-tĭvĭ-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.


Etymology

Origin of hyperactivity

First recorded in 1885–90; hyperactive + -ity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The company says it is developing traditional Chinese medicine, primarily herbal formulas, to treat autism spectrum disorder and attention-deficit hyperactivity disorder.

From The Wall Street Journal

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