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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.

Vulgar language can be effective in a sharp response, but it dulls with overuse.

From The Wall Street Journal

He called this a "battle-tested ground-based air defence missile system that has already proved highly effective for UK forces taking down drones in the region".

From Barron's

"Whatever position she starts in, she's very effective for us."

From BBC

While the bespectacled intellectual with a crown of white curls was credited with being an effective prime minister, his lack of rapport with the public always made him an unlikely father of the nation.

From Barron's

The findings point to new possibilities for developing more effective treatments.

From Science Daily