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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.

She said fishers were "keen" to have pingers on their nets - but they needed scientific evidence to determine whether they were an effective solution for the long-term.

From BBC • Jun. 10, 2026

LLC, sent termination notices to more than 300 employees effective July 4.

From Los Angeles Times • Jun. 10, 2026

Another, the Rybar Telegram channel, credited Madyar with creating "the most effective formation of its kind" within the Ukrainian army.

From Barron's • Jun. 10, 2026

One Covid lesson is that effective risk communication requires humility, transparency and a grounding in science rather than overstated certainty.

From The Wall Street Journal • Jun. 9, 2026

That seemed the most effective way to overthrow segregationist Jim Crow laws.

From "Because They Marched" by Russell Freedman




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