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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.

Would it be just as effective to do one intense 30 minute workout each week instead of several shorter sessions spread across multiple days?

From Science Daily • May 16, 2026

"If it's cheaper, quicker and just as effective, why should we waste tax money? I don't see any downside to it," Russ said.

From Barron's • May 15, 2026

They’re highly effective across a wide range of cancers, completely changing many patients’ lives.

From Salon • May 15, 2026

There are more and less effective ways to do it, too.

From Slate • May 15, 2026

Those ploys proved as effective as hanging a Do Not Disturb sign around his neck.

From "Endgame" by Frank Brady




Vocabulary lists containing effective


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