Active

Part of speech: adjective (a.)

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

2. Quick in physical movement; of an agile and vigorous body; nimble; as, an active child or animal. Active and nervous was his gait. Wordsworth.

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

4. 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.

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

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

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

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

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

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

11. 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.

Synonyms: Agile; alert; brisk; vigorous; nimble; lively; quick; sprightly; prompt; energetic.