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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.

Amazon said its data centers used 0.12 liters of water per kilowatt-hour of electricity in 2025, which it said was more efficient than the industry average.

From The Wall Street Journal • Jun. 11, 2026

As people grow older, their cells gradually become less efficient at producing energy and responding to changing demands.

From Science Daily • Jun. 11, 2026

Global energy markets are much more efficient than they were some six years ago, he said.

From MarketWatch • Jun. 9, 2026

As a result, the Iran war has largely neutralised the cartel's stated mission "to secure an efficient, economic and regular supply of petroleum to consumers, and a steady income to producers".

From Barron's • Jun. 7, 2026

Right there as she drives, her efficient, internal employees get to work.

From "A Heart in a Body in the World" by Deb Caletti




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