active
Americanadjective
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engaged in action; characterized by energetic work, participation, etc.; busy.
an active life.
- Antonyms:
- lazy
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being in a state of existence, progress, or motion.
active hostilities.
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involving physical effort and action.
active sports.
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having the power of quick motion; nimble.
active as a gazelle.
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characterized by action, motion, volume, use, participation, etc..
an active market in wheat; an active list of subscribers.
- Antonyms:
- sluggish
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causing activity or change; capable of exerting influence (passive ).
active treason.
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effective (inert ).
active ingredients.
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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 (passive ): Writes in He writes a letter every day is an active verb form.
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requiring or giving rise to action; practical.
an active course.
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Geology. (of a volcano) having erupted within the last 10,000 years and likely to do so again or currently in a state of eruption.
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Accounting. profitable; busy.
active accounts.
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requiring personal effort or attention; not automatic.
an active alarm system.
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interest-bearing.
active paper.
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Medicine/Medical. acting quickly; producing immediate effects.
active remedies.
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Sociology. (of a crowd) engaging in purposeful activity, often of a militant nature.
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Aerospace. able to transmit signals.
an active communications satellite.
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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.
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(of a solar heating system) accumulating and distributing solar heat by mechanical means.
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Military. serving on active duty.
noun
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Grammar.
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the active voice.
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a form or construction in the active voice.
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an active person, member, subscriber, etc..
The circular was mailed only to the actives on our list.
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Informal. something showing considerable action or activity.
On the stock market there was heavy trading in the actives.
adjective
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in a state of action; moving, working, or doing something
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busy or involved
an active life
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physically energetic
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exerting influence; effective
an active ingredient
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grammar
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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
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another word for nonstative
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being fully engaged in military service (esp in the phrase on active service )
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(of a volcano) erupting periodically; not extinct Compare dormant extinct
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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
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commerce
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producing or being used to produce profit, esp in the form of interest
active balances
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of or denoting stocks or shares that have been actively bought and sold as recorded in the Official List of the London Stock Exchange
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electronics
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containing a source of power
an active network
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capable of amplifying a signal or controlling some function
an active component
an active communication satellite
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noun
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grammar
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the active voice
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an active verb
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a member of an organization who participates in its activities
Usage
What is a basic definition of active? Active is an adjective that describes something as involving a lot of energetic work or as engaging in action, operation, or motion. The word active is used in grammar to indicate that the subject of the sentence is performing an action. The word active has other senses as an adjective and a noun.If something or someone is active, a lot of activity is going on or they are using a lot of energy.
- Real-life examples: Professional athletes, firefighters, and police officers usually have very active jobs. An active day at the stock market involves a lot of buying and selling. Ants, birds, and bees live active lives, moving around a lot, compared to animals such as sloths, slugs, and turtles, which stay still much of the time.
- Used in a sentence: Lucy’s cat is very active, chasing shadows and playing with its toys.
- Real-life examples: Nocturnal animals are active at night and asleep during the day. If a burglar alarm is active, it has been turned on and is ready to trigger if it detects a person. If a mine or bomb is active, it is operating properly and will explode if something triggers it.
- Used in a sentence: Luckily, the fire alarm was active and quickly detected the fire.
- Active voice: I ran. She drove to the bank. He punched me.
- Passive voice: The ball was thrown through the window. The building was torn down. I was given an A on the test.
Related Words
Active, energetic, strenuous, vigorous imply a liveliness and briskness in accomplishing something. Active suggests quickness and diligence as opposed to laziness or dilatory methods: an active and useful person. Energetic suggests forceful and intense, sometimes nervous, activity: conducting an energetic campaign. Strenuous implies arduous and zealous activity with a sense of urgency: a strenuous effort. Vigorous suggests strong, effective activity: using vigorous measures to accomplish an end.
Other Word Forms
- actively adverb
- activeness noun
- nonactive adjective
- preactive adjective
- preactiveness noun
- quasi-active adjective
- semiactive adjective
- semiactiveness noun
- superactive adjective
- superactiveness noun
Etymology
Origin of active
First recorded in 1300–50; from Latin āctīvus; replacing Middle English actif, from Middle French, from Latin; act, -ive
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Over time, only the most active connections are kept while the rest are eliminated.
From Science Daily
Goldman said the deal would make its asset-management arm a top 10 provider of active ETFs.
According to the statement, the senator could be recalled to active duty to face “court-martial proceedings or administrative measures.”
From Salon
Coupang, which is founded in South Korea and headquartered in the US, said recently that it had nearly 25 million active users.
From BBC
Members of the military have long been active investors.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
