2. (noun)active voice, active 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"
3. (noun)active a person who is a participating member of an organization "the club issues a list of members, both the actives and the retirees"
4. (adj)active tending to become more severe or wider in scope "active tuberculosis"
5. (adj)active, combat-ready, fighting(a) engaged in or ready for military or naval operations "on active duty"; "the platoon is combat-ready"; "review the fighting forces"
6. (adj)active disposed to takeaction 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"
7. (adj)active, participating takingpart in an activity "an active member of the club"; "he was politically active"; "the participating organizations"
8. (adj)active characterized by energetic activity "an active toddler"; "active as a gazelle"; "an active man is a man of action"
9. (adj)active exerting influence or producing a change or effect "an active ingredient"
10. (adj)active full of activity or engaged in continuous activity "an active seaport"; "an active bond market"; "an active account"
11. (adj)active, alive(p) in operation "keep hope alive"; "the tradition was still alive"; "an active tradition"
12. (adj)active (of the sun) characterized by an increased occurrence of sunspots and flares and radio emissions
13. (adj)active expressing that the subject of the sentence has the semantic function of actor: "Hemingway favors active constructions"
14. (adj)active, dynamic (used of verbs (e.g. `to run') and participial adjectives (e.g. `running' in `running water')) expressing action rather than a state of being
15. (adj)active (of e.g. volcanos) capable of erupting
16. (adj)active (of e.g. volcanos) erupting or liable to erupt "active volcanos"
17. (adj)active engaged in full-time work "active duty"; "though past retirement age he is still active in his profession"