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

9. (Gram.) (a) Applied to a form of the verb; — opposed to Ant: passive. See Active voice, under Voice. (b) Applied to verbs which assert that the subject acts upon or affects something else; transitive. (c) 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.

Syn. — Agile; alert; brisk; vigorous; nimble; lively; quick; sprightly; prompt; energetic.

ACTIVELY
Ac"tive*ly, adv.

1. In an active manner; nimbly; briskly; energetically; also, by one's own action; voluntarily, not passively.

2. (Gram.)

Defn: In an active signification; as, a word used actively.

ACTIVENESS
Ac"tive*ness, n.

Defn: The quality of being active; nimbleness; quickness of motion; activity.

ACTIVITY Ac*tiv"i*ty, n.; pl. Activities. Etym: [Cf. F. activité, LL. activitas.]