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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.

The report concluded: "By failing to ensure all court buildings are accessible, the court estate is undermining the efficient administration of justice."

From BBC • Jun. 14, 2026

AI is advancing to the point where the technology can make human work thousands of times more efficient or even replace it, creating a new set of risks, the company said.

From Los Angeles Times • Jun. 14, 2026

The model is more efficient than humans in many cases at finding software bugs.

From The Wall Street Journal • Jun. 13, 2026

Using this approach, the researchers demonstrated for the first time that a single transistor can reproduce the energy efficient "spiking" activity of biological neurons at temperatures as low as 10mK.

From Science Daily • Jun. 12, 2026

Her voice was once more calm and controlled—the voice of the efficient games mistress.

From "And Then There Were None" by Agatha Christie




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