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Definitions

efficient

[ih-fish-uhnt] / ɪˈfɪʃ ənt /


Usage

What are other ways to say efficient? The adjective efficient, when applied to a person or a thing, implies the skillful use of energy or industry to accomplish desired results with little waste of effort: efficient methods; an efficient manager. Effective is applied to a person or a thing that has the power to, or which actually does, produce an effect: an effective boss, remedy, speech. Effectual is used especially of that which produces the effect desired or intended, or a decisive result: An effectual bombardment silenced the enemy. Efficacious suggests the capability of achieving a certain end: an efficacious plan, medicine. 

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.

If successful, such systems could transform emergency oil spill response by converting ordinary fires into highly efficient cleanup tools.

From Science Daily • Jun. 5, 2026

Investors have lately gone into a frenzy over a mundane piece of electrical equipment that they think will make data centers more efficient.

From Barron's • Jun. 4, 2026

When it does, more efficient players will be positioned to take share.

From The Wall Street Journal • Jun. 3, 2026

In Colorado, Kimberly Jones has grown her herd of goats from 25 to 250 in seven years, deploying their efficient teeth, hooves and stomachs to clear undergrowth to stem the spread of flames.

From BBC • Jun. 3, 2026

“Ah, yes, of course! How efficient you are, my princess, how noble and precise are your manners!” creaked the palace.

From "Aru Shah and the End of Time" by Roshani Chokshi




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