D defs.my
Entry 9 senses Webster, 1913

Active

/ăk'-tĭv/ · Ac·tive · IPA /ˈæk.tɪv/
01 a. Having the power or quality of acting; causing change; communicating action or motion; acting; -- opposed to passive, that receives; as, ce…
  1. 1.
    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.
  2. 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. 3.
    In action; actually proceeding; working; in force; -- opposed to quiescent, dormant, or extinct; as, active laws; active hostilities; an active volcano.
  4. 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. 5.
    Requiring or implying action or exertion; -- opposed to sedentary or to tranquil; as, active employment or service; active scenes.
  6. 6.
    Given to action rather than contemplation; practical; operative; -- opposed to speculative or theoretical; as, an active rather than a speculative statesman.
  7. 7.
    Brisk; lively; as, an active demand for corn.
  8. 8.
    Implying or producing rapid action; as, an active disease; an active remedy.
  9. 9.
    Applied to a form of the verb; -- opposed to passive. See Active voice, under Voice.(Gram.) See: Voice
Phrases & compounds
Active capital — money, or property that may readily be converted into money.