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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.

For a while, I found middle-period Henry James to be fairly effective, but for a couple of decades at least, fiction has been out of the mix.

From The Wall Street Journal • Apr. 17, 2026

“So there’s this illusion of control that is really effective on a lot of young people,” Fields said, “especially with a get-rich-quick kind of attitude.”

From MarketWatch • Apr. 17, 2026

"Patients should speak with their healthcare provider about the safest and most effective options for managing their symptoms."

From Science Daily • Apr. 16, 2026

"Applications via patrimony are not considered or endorsed by our elected members, and there is no effective legal mechanism to remove this type of Freedom," the spokesperson added.

From BBC • Apr. 16, 2026

As more effective procedures were developed, surgery and wound treatment became safer.

From "Ambushed!" by Gail Jarrow




Vocabulary lists containing effective