Dictionary.net

(military) engaged in or ready for military or naval operations; "on active duty"; "the platoon is combat-ready"; "review the fighting forces"

the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb; "`The boy threw the ball' uses the active voice"

chemical agent capable of activity

engaged in full-time work; "active duty" (military); "though past retirement age he is still active in his profession"

full of activity or engaged in continuous activity; "an active seaport"; "an active bond market"; "an active account"

(pathology) tending to become more severe or wider in scope; "active tuberculosis"

disposed to take action or effectuate change; "a director who takes an active interest in corporate operations"; "an active antagonism"; "he was active in drawing attention to their grievances"

producing activity or change

(of e.g. volcanos) being in a state of action or potential action; "active volcanos"

(grammar) active voice

(astronomy; of the sun) characterized by a high level activity in sunspots and flares and radio emissions

in operation; "keep hope alive"; "the tradition was still alive"; "an active tradition"

characterized by energetic bodily activity; "tennis is an active sport"; "a very physical dance performance"

the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb; "`The boy threw the ball' uses the active voice"

chemical agent capable of activity

full of activity or engaged in continuous activity; "an active seaport"; "an active bond market"; "an active account"

disposed to take action or effectuate change; "a director who takes an active interest in corporate operations"; "an active antagonism"; "he was active in drawing attention to their grievances"

producing activity or change

in operation; "keep hope alive"; "the tradition was still alive"; "an active tradition"

characterized by energetic bodily activity; "tennis is an active sport"; "a very physical dance performance"

engaged in full-time work; "active duty"; "though past retirement age he is still active in his profession"

tending to become more severe or wider in scope; "active tuberculosis"

(of e.g. volcanos) erupting or liable to erupt; "active volcanos"

expressing action rather than a state of being; used of verbs (e.g. `to run') and participial adjectives (e.g. `running' in `running water')

expressing that the subject of the sentence has the semantic function of actor: "Hemingway favors active constructions"

exerting influence or producing an effect; "an active ingredient"

of the sun; characterized by a high level activity in sunspots and flares and radio emissions

being in physical motion; "active fish in the aquarium"

engaged in or ready for military or naval operations; "on active duty"; "the platoon is combat-ready"; "review the fighting forces"

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

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

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

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.

Actively.

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.

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.

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

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

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

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.

Actively.

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.

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.

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

Actively.

Having or using the power or quality of motion or force; lively; busy; moving freely or quickly; in grammar, denoting the voice or form of the verb which represents the subject as a doer of something.

Activeness.

Actively.

That acts: busy: nimble: (gram.) transitive.

ACTIVITY, ACTIVENESS.

Actively.

Activeness.

Abounding in action; lively; brisk; busy.

Expressing action, as a verb.

Energetic; not indolent.

Busy; nimble; agile.

same etymon. This adjective is used, in Pathology, to convey the idea of superabundant energy or strength. Active symptoms, e. g. are those of excitement. In Therapeutics, it signifies energetic :-as, an active treatment. The French use the expression Medecine agissante, in contradistinction to Medecine expectante. In Physiology, active has a similar signification, many of the functions being divided into active and passive.

Characterized by action; not passive; producing effect.

That which has the power or quality of acting; that which acts, opposed to passive: busy, engaged in action, opposed to idle or sedentary; nimble, agile, quick; in grammar, a verb active is that which signifies action, as, I teach.