Main Entry: over·ac·tive

Pronunciation: \ˌō-və-ˈrak-tiv\

Function: adjective

: excessively or abnormally active <an overactive mind> <overactive glands>

—over·ac·tiv·i·ty \-ˌrak-ˈtiv-ət-ē\ noun, plural over·ac·tiv·i·ties