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in operation

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effective adj.
operative adj.
practical adj.
running adj.

ADJECTIVE

effective

Synonyms

STRONGEST

active direct dynamic

WEAK

actual current in effect in execution in force operative real

Antonyms

STRONGEST

inactive

WEAK

fruitless impotent incapable ineffective inoperative unproductive useless weak

ADJECTIVE

operative

Synonyms

STRONGEST

operational usable

STRONG

current dynamic employable indicative key open running standing working

WEAK

accessible alive crucial effective efficient functional important in force live practicable relevant serviceable significant workable

Antonyms

STRONG

passive

WEAK

inactive ineffective ineffectual inoperative unfunctional unworking useless worthless

ADJECTIVE

practical

Synonyms

STRONGEST

businesslike constructive down-to-earth efficient factual feasible functional possible practicable pragmatic rational reasonable sane sensible sober workable

WEAK

applied both feet on the ground commonsensical doable empirical experimental handy hard-boiled implicit in action matter-of-fact nuts and bolts operative orderly serviceable solid sound systematic unidealistic unromantic usable utile utilitarian virtual workaday working

Antonyms

STRONGEST

excited impossible impractical inefficient irrational unattainable unfeasible unlikely unrealistic unreasonable unsound unworkable

WEAK

incapable inexperienced unproficient unseasoned unserviceable unskilled untrained useless worthless

ADJECTIVE

running

Synonyms

STRONGEST

constant functioning working

STRONG

active cursive dynamic executing going live moving operative proceeding producing smooth

WEAK

alive easy effortless fluent in action in succession incessant perpetual together unbroken unceasing uninterrupted

Antonyms

STRONG

apathetic immobile inactive unexciting

WEAK

broken discontinuous intermittent occasional

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.

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in operation

RWE is one of the world’s leading offshore wind developers, with 22 offshore wind farms currently in operation or or under construction around the world.

From Los Angeles Times ● Aug. 6, 2026

With at least 248 planned data center projects and 335 in operation, Texas is poised to become a leader in data center development.

From Salon ● Aug. 3, 2026

The seven thermal power plants that form the national grid's backbone have all been in operation for more than 40 years, and are in various states of disrepair.

From Barron's ● Aug. 2, 2026

Yet these schools remain in operation because they provide solid middle-class employment opportunities for adults.

From The Wall Street Journal ● Jul. 28, 2026

Satisfied that at least some cell towers are still in operation, I try one more call.

From "Dry" by Neal Shusterman and Jarrod Shusterman

in operation

Example Sentences

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