Dictionary
hy•per•ac•tive
Pronunciation: (hī"pur-ak'tiv), [key]—
adj.
1. unusually or abnormally active:
a company's hyperactive growth; the child's hyperactive imagination.
2. (of children) displaying exaggerated physical activity sometimes associated with neurologic or psychologic causes.
3. hyperkinetic.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.