active

active (http://definr.com/active)

     adj 1: (pathology) tending to become more severe or wider in scope;
            "active tuberculosis" [ant: inactive]
     2: (military) engaged in or ready for military or naval
        operations; "on active duty"; "the platoon is
        combat-ready"; "review the fighting forces" [syn: combat-ready,
         fighting(a)]
     3: 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" [ant: passive]
     4: taking part in an activity; "an active member of the club";
        "he was politically active"; "the participating
        organizations" [syn: participating]
     5: characterized by energetic activity; "an active toddler";
        "active as a gazelle"; "an active man is a man of action"
        [ant: inactive]
     6: exerting influence or producing an effect; "an active
        ingredient" [ant: inactive]
     7: full of activity or engaged in continuous activity; "an
        active seaport"; "an active bond market"; "an active
        account" [ant: inactive]
     8: in operation; "keep hope alive"; "the tradition was still
        alive"; "an active tradition" [syn: alive(p)]
     9: in a state of habitual or vigorous activity; "an active man
        is a man of action"
     10: (astronomy; of the sun) characterized by a high level
         activity in sunspots and flares and radio emissions [ant:
          quiet]
     11: (grammar) active voice [ant: passive]
     12: (grammar) expressing action rather than a state of being;
         used of verbs (e.g. `to run') and participial adjectives
         (e.g. `running' in `running water') [syn: dynamic]
         [ant: stative]
     13: (of e.g. volcanos) being in a state of action or potential
         action; "active volcanos" [ant: dormant, extinct]
     14: producing activity or change [ant: counteractive]
     15: engaged in full-time work; "active duty" (military); "though
         past retirement age he is still active in his profession"
         [ant: inactive]
     16: being in physical motion; "active fish in the aquarium"; "a
         nurse is on the move all day" [syn: on the move(p)]
     17: characterized by energetic bodily activity; "tennis is an
         active sport"; "a very physical dance performance" [syn:
         physical]
     n 1: chemical agent capable of activity [syn: active agent]
     2: 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" [syn: active voice] [ant: passive voice]