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Definitions
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Efficient shares roots with which word?

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.

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By eliminating certain possibilities, the researchers have provided information that could make future searches more efficient and help astronomers focus on planets that remain within reach of upcoming observatories.

From Science Daily ● Oct. 30, 2026

Kinnock said there would no be "much of an argument" against the idea if it meant that "Wales was better protected, that the streets were safer" and "that the justice system was more efficient".

From BBC ● Oct. 30, 2026

Williams: It's still a theoretical result, but it opens up the possibility of much more efficient ways of computing in an enormous variety of scenarios.

From Barron's ● Oct. 30, 2026

The luxury-car maker said it is pushing ahead with plans to become more efficient in the face of deteriorating market conditions.

From The Wall Street Journal ● Oct. 29, 2026

It is perfectly familiar, three flickering points of light forming an upside-down L, just like the makeshift runway Maddie made her efficient practice landings on four hours ago in England.

From "Code Name Verity" by Elizabeth Wein


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