hy·per·ac·tive 
(hī′pər-ăktĭv)
(hī′pər-ăktĭv)adj.
1. Highly or excessively active: a hyperactive thyroid gland.
2. Characterized by or displaying excessive motor activity, restlessness, and often talkativeness: hyperactive behavior; hyperactive children.
hy′per·active·ly adv.
hy′per·ac·tivi·ty n.
- Grand Cayman
- grandchild
- Grand Coulee
- granddad
- granddaddy
- granddaughter
- grand duchess
- grand duchy
- grand duke
- Grande
- Grande
- grande dame
- grandee
- Grande-Terre
- grandeur
- grandfather
- grandfather clause
- grandfather clock
- grandfatherly
- grandfather paradox
- Grand Forks
- Grand Guignol
- grandiloquence
- grandiloquent
- grandiloquently