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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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Behind the scenes, sophisticated algorithms analyze networks of roads and intersections to identify efficient paths.

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

Some in the Brewers organization believed that would have been the more efficient move.

From The Wall Street Journal ● Oct. 29, 2026

But it would not be until the early 1940s that a major breakthrough would allow more efficient undersea explorations, discoveries, and excavations in the form of an invention by Jacques Cousteau and Emile Gagnan.

From "Shipwrecked!" by Martin W. Sandler


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