hyperactivity hy·per·ac·tiv·i·ty (hī'pər-āk-tĭv'ĭ-tē)
n.
A general restlessness or excess of movement, as that in children with minimal brain dysfunction or hyperkinesis.
| hyperactivity (hī'pər-āk-tĭv'ĭ-tē) Pronunciation Key
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. |