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Definitions

effective

[ih-fek-tiv, ee-fek‐] / ɪˈfɛk tɪv, iˈfɛk‐ /




Usage

What are other ways to say effective? The adjective 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. Efficient (applied also to persons) implies the skillful use of energy or industry to accomplish desired results with little waste of effort: efficient methods; an efficient manager. 

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.

But as far as second-choice options go, using misoprostol by itself is a remarkably effective alternative.

From Slate • May 18, 2026

The war has led to an effective blockade of the Strait of Hormuz, through which around 20 percent of global oil exports pass in peacetime.

From Barron's • May 18, 2026

A combined company would be in a good position to accommodate that surge in demand and it could be effective in shielding customers from the spike, he said.

From MarketWatch • May 18, 2026

Traditional political reporting asks whether leaders are competent, ethical and effective.

From Salon • May 18, 2026

The weeklong Allied bombardment had turned out to be far less effective than General Haig had predicted.

From "The War to End All Wars: World War I" by Russell Freedman




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