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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.

Yet not everyone is convinced the humanoid form factor is the most effective.

From BBC • Jun. 8, 2026

One area missing from the analysis: innovation in more-efficient procedures, the kind of thing that can make companies more effective in less obvious ways, Wartzman says.

From The Wall Street Journal • Jun. 8, 2026

A new study has provided the first comprehensive estimate of koala numbers in the region and identified a humane, cost effective strategy to keep the population at sustainable levels.

From Science Daily • Jun. 8, 2026

The JAA also mandates annual climate surveys: Quantifying the scope of these problems is the first step toward crafting effective solutions.

From Slate • Jun. 8, 2026

The stream was too swift and the breeze too light for the sail to be effective.

From "Abel's Island" by William Steig




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