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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

To power the new computers, Nvidia is introducing the RTX Spark, which it described as “the most efficient PC chip ever built.”

From The Wall Street Journal • Jun. 1, 2026

Researchers have uncovered evidence that superconductivity can be controlled by changing a material's surrounding environment, a breakthrough that could eventually lead to more efficient electronics and powerful quantum technologies.

From Science Daily • May 29, 2026

"If we could get to grips with these processes, then we could use this understanding to create better solar cells, more efficient energy grid systems, and discover drugs for previously untreatable diseases," she said.

From BBC • May 28, 2026

I stayed behind to help the club, but they were so quick and efficient that the net was down and the ball carts stowed before I’d stepped off the bleachers.

From "Made You Up" by Francesca Zappia




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