Ac"tive (#), a. [F. actif, L. activus, fr. agere to act.]


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.


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

Active and nervous was his gait. Wordsworth.


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


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.


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


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


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


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

9. Gram. (a)

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.


Applied to all verbs that express action as distinct from mere existence or state.

Active capital, Active wealth, money, or property that may readily be converted into money.

Syn. -- Agile; alert; brisk; vigorous; nimble; lively; quick; sprightly; prompt; energetic.


© Webster 1913.

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