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Definitions

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.

“Phones, PCs, vehicles, factories, robots, cameras, sensors and connected devices all need efficient, secure compute with software that scales. These AI workloads will all run on Arm.”

From MarketWatch • Jun. 1, 2026

By combining highly efficient light capture with a sensitive quantum detection mechanism, the work marks a significant step toward overcoming long-standing challenges in terahertz technology.

From Science Daily • May 31, 2026

Humanity isn’t an obsolete stage awaiting replacement by more efficient intelligence.

From The Wall Street Journal • May 28, 2026

The goal, according to a news release, is to create a more “gracious and efficient entry experience” for more than 1.4 million annual visitors.

From Los Angeles Times • May 28, 2026

Accustomed to cooperative agriculture in which whole villages often farmed together, many Africans were used to working in large groups, the most efficient method for large American plantations.

From "In the Shadow of Liberty" by Kenneth C. Davis




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