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Definitions for Active

[1] engaged in action; characterized by energetic work, participation, etc.; busy: an active life.
[2] being in a state of existence, progress, or motion: active hostilities.
[3] involving physical effort and action: active sports.
[4] having the power of quick motion; nimble: active as a gazelle.
[5] characterized by action, motion, volume, use, participation, etc.: an active market in wheat; an active list of subscribers.
[6] causing activity or change; capable of exerting influence (opposed to passive): active treason.
[7] effective (opposed to inert): active ingredients.
[8] Grammar . noting or pertaining to a voice of verbal inflection in which typically the subject of the sentence is represented as performing the action expressed by the verb (opposed to passive): Writes in He writes a letter every day is an active verb form.
[9] requiring or giving rise to action; practical: an active course.
[10] (of a volcano) in eruption.
[11] Accounting . profitable; busy: active accounts.
[12] requiring personal effort or attention; not automatic: an active alarm system.
[13] interest-bearing: active paper.
[14] Medicine/Medical . acting quickly; producing immediate effects: active remedies.
[15] Sociology . (of a crowd) engaging in purposeful activity, often of a militant nature. Compare expressive(def 4) .
[16] Aerospace . able to transmit signals: an active communications satellite.
[17] Electronics . (of a device or system) acting as a source of electrical energy, as a generator, or capable of amplifying or converting voltages or currents, as a transistor or diode.
[18] (of a solar heating system) accumulating and distributing solar heat by mechanical means.
[19] Military . serving on active duty.
[20] Grammar . the active voice. a form or construction in the active voice.
[21] an active person, member, subscriber, etc.: The circular was mailed only to the actives on our list.
[22] Informal . something showing considerable action or activity: On the stock market there was heavy trading in the actives.
[23] in a state of action; moving, working, or doing something
[24] busy or involved an active life
[25] physically energetic
[26] exerting influence; effective an active ingredient
[27] grammar denoting a voice of verbs used to indicate that the subject of a sentence is performing the action or causing the event or process described by the verb, as kicked in The boy kicked the football Compare passive (def. 5) another word for nonstative
[28] being fully engaged in military service (esp in the phrase on active service )
[29] (of a volcano) erupting periodically; not extinct Compare dormant (def. 3), extinct (def. 3)
[30] astronomy (of the sun) exhibiting a large number of sunspots, solar flares, etc, and a marked variation in intensity and frequency of radio emission Compare quiet (def. 8)
[31] commerce producing or being used to produce profit, esp in the form of interest active balances of or denoting stocks or shares that have been actively bought and sold as recorded in the Official List of the London Stock Exchange
[32] electronics containing a source of power an active network capable of amplifying a signal or controlling some function an active component ; an active communication satellite
[33] grammar the active voice an active verb
[34] mainly US a member of an organization who participates in its activities

Words related to Active

operating, alive, effective, forceful, busy, energetic, diligent, keen, dynamic, enthusiastic, engaged, eager, determined, lively, resolute, ready, quick, aggressive, intense, bold

Words nearby Active

activated resin, activated sludge, activation analysis, activation energy, activator, active, active anaphylaxis, active centre, active chronic hepatitis, active congestion, active duty

Origin of Active

First recorded in 1300–50; from Latin āctīvus; replacing Middle English actif, from Middle French, from Latin; see act, -ive

Other words from Active

ac·tive·ly , adverb
ac·tive·ness , noun
non·ac·tive , adjective, noun
pre·ac·tive , adjective
pre·ac·tive·ly , adverb
pre·ac·tive·ness , noun
qua·si-ac·tive , adjective
qua·si-ac·tive·ly , adverb
sem·i·ac·tive , adjective
sem·i·ac·tive·ly , adverb
sem·i·ac·tive·ness , noun
su·per·ac·tive , adjective
su·per·ac·tive·ly , adverb
su·per·ac·tive·ness , noun

Word origin for Active

C14: from Latin āctīvus. See act , -ive

Synonyms for Active

alive, effective, operating, flowing, functioning, going, mobile, movable, operative, progressive, pushing, rapid, rolling, running, rushing, rustling, shifting, simmering, speeding, streaming, traveling, turning, walking, working, astir, at work, bustling, efficacious, exertive, hasty, impelling, in force, in play, in process, moving, restless, speedy, swarming