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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.

Not living full-time in New York might also mean they use fewer city services, an effective subsidy for the average resident.

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

"I feel good, I feel fresh. I just try and get on the ball as much as I can and play the effective passes," Ingle said after Tuesday's comfortable home victory over the Albanians.

From BBC • Apr. 16, 2026

By incorporating 2B4 and DAP12 into the CAR design, the researchers were able to enhance the cells' activation state, making them more effective at targeting tumors.

From Science Daily • Apr. 16, 2026

This new consensus must begin with dialogue, a conversation that fosters a critical consciousness, a key prerequisite to effective social action.

From "The New Jim Crow" by Michelle Alexander




Vocabulary lists containing effective