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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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He wasn’t the most efficient, the most pristine, the sharpest — but he was fit to throw 98 pitches and six innings.

From Los Angeles Times Sep. 19, 2026

He now leads Accenture’s Finance Reinvention practice in the Americas, which helps CFOs and other C-suite executives become more efficient in deploying AI tools.

From The Wall Street Journal Sep. 18, 2026

Neal Schore argues that paying attention to emotions is the most important element in an efficient workday.

From The Wall Street Journal Sep. 17, 2026

The software is so efficient that it can run on the hardware carried by Freddo.

From BBC Sep. 17, 2026

In his spare time Bloom had organized the ushers, checkers, and refreshment sellers into a more efficient, cohesive structure that greatly increased the theater’s profits and his own salary.

From "The Devil in the White City" by Erik Larson




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