- active
- active [ak′tiv]adj.[ME & OFr actif < L activus < actus, pp. of agere: see ACT1]1. that is acting, functioning, working, moving, etc.2. capable of acting, functioning, etc.3. causing action, motion, or change4. characterized by much action or motion; lively, busy, agile, quick, etc. [an active mind, an active boy]5. actual, not just nominal; participating [an active interest, to play an active role]6. necessitating action or work7.a) currently in operation, in effect, in progress, etc. [an active law, an active disease]b) in eruption [an active volcano]8. Gram.a) denoting the voice or form of a verb whose subject is the performer, or agent, of the action of the verb: opposed to PASSIVEb) in or of the active voicec) showing action rather than state of being: said of verbs like throw and walkn.1. an active member of an organization2. Gram.a) the active voiceb) a verb in this voiceactivelyadv.activenessn.SYN.- ACTIVE implies a state of motion, operation, etc. ranging from cases of normal functioning to instances of quickened activity [he's still active at eighty; an active market ]; ENERGETIC suggests a concentrated exertion of energy or effort [an energetic workout ]; VIGOROUS implies forcefulness, robustness, and strength as an inherent quality [a vigorous plant ]; STRENUOUS is applied to things that make trying demands on one's strength, energy, etc. [a strenuous trip ]; BRISK implies liveliness and vigor of motion [a brisk walk ]
English World dictionary. V. Neufeldt. 2014.