The excitable individual might be one with over-active adrenals.
Her imagination is more likely to be over-active than too sluggish.
But they are not imagination, neither are they the idle fancies of an over-active brain.
The flow is continuous and, despite all appearances to the contrary, there is no such thing as a torpid or an over-active liver.
The thought of the sort of thud that fist might make against the over-active jaw of the conductor was pleasant.
He found it so hard to exercise—except by walking, and that did not rest his over-active mind.
A man wearied by an over-active life seeks repose in art; a man who lives a narrow, commonplace life seeks energy in art.
You refer to the matter in which Mr. Smith was regarded as over-active as a moot question.
It looks very badly to see a lady endeavoring to attract attention by her boisterous manner, loud talking, or over-active dancing.
He must force himself to interest his mind in other things and to inhibit the over-active states of thinking.