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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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Battery storage also allows utilities to rely more on renewable energy sources by making them more efficient: It retains excess energy from wind and solar power that can be used when those sources aren’t producing.

From The Wall Street Journal ● Sep. 28, 2026

We've got a really efficient car, so here at Baku we've been exceptionally fast.

From BBC ● Sep. 26, 2026

"Understanding how the brain balances energy supply and consumption may help explain what makes biological intelligence so efficient," explains lead investigator Yusuke Takahashi.

From Science Daily ● Sep. 26, 2026

The company is “helping their customers manage the frontier models in a more efficient and effective way” than other companies, Luria said.

From MarketWatch ● Sep. 25, 2026

A caption explained that fins were what made the shark an efficient swimmer.

From "The Line Tender" by Kate Allen




Vocabulary lists containing efficient


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