Applied to a form of the verb; – opposed to passive. See
Active voice, under Voice.

Applied to verbs which assert that the subject acts upon or
affects something else; transitive.

Requiring or implying action or exertion; – opposed to
sedentary or to tranquil; as, active employment or service; active
scenes.

Implying or producing rapid action; as, an active disease;
an active remedy.

Given to action rather than contemplation; practical;
operative; – opposed to speculative or theoretical; as, an active
rather than a speculative statesman.

Given to action; constantly engaged in action; energetic;
diligent; busy; – opposed to dull, sluggish, indolent, or inert; as,
an active man of business; active mind; active zeal.

Quick in physical movement; of an agile and vigorous body;
nimble; as, an active child or animal.

Having the power or quality of acting; causing change;
communicating action or motion; acting; – opposed to passive, that
receives; as, certain active principles; the powers of the mind.

In action; actually proceeding; working; in force; –
opposed to quiescent, dormant, or extinct; as, active laws; active
hostilities; an active volcano.

Brisk; lively; as, an active demand for corn.