hyperactive

[ hahy-per-ak-tiv ]
/ ˌhaɪ pərˈæk tɪv /

adjective

unusually or abnormally active: a company's hyperactive growth; the child's hyperactive imagination.
(of children) displaying exaggerated physical activity sometimes associated with neurologic or psychologic causes.

Origin of hyperactive

First recorded in 1865–70; hyper- + active

OTHER WORDS FROM hyperactive

hy·per·ac·tion [hahy-per-ak-shuh n] /ˌhaɪ pərˈæk ʃən/, noun hy·per·ac·tive·ly, adverb

Example sentences from the Web for hyperactive

British Dictionary definitions for hyperactive

hyperactive
/ (ˌhaɪpərˈæktɪv) /

adjective

abnormally active

Derived forms of hyperactive

hyperaction, noun hyperactivity, noun

Medical definitions for hyperactive

hyperactive
[ hī′pər-ăktĭv ]

adj.

Highly or excessively active, as a gland.
Having behavior characterized by constant overactivity.
Afflicted with attention deficit disorder.