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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.

It also has some surprisingly effective dramatic moments, such as when she confesses to being such a careerist that she missed her kids’ childhoods.

From The Wall Street Journal • Apr. 29, 2026

That move, effective July 1, leaves the city as LAHSA’s primary funder and poses a significant question: Will the city stay with the embattled agency or will it, as the county did, jump ship?

From Los Angeles Times • Apr. 29, 2026

An effective holding midfield player, Fletcher has excellent awareness and provides a lot of cover in deeper positions.

From BBC • Apr. 29, 2026

The U.A.E.’s Ministry of Energy and Infrastructure said Tuesday that the country will exit the OPEC+ alliance effective May 1, following a review of the country’s production policy and “current and future capacity.”

From Barron's • Apr. 28, 2026

Another especially effective strategy was disruption of the Indigenous trade networks, which caused food shortages and starvation.

From "An Indigenous People’s History of the United States" by Roxanne Dunbar-Ortiz




Vocabulary lists containing effective