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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.

With Panama wanting to apply some forward pressure, making a run in behind against their momentum was incredibly effective.

From BBC • Jun. 28, 2026

Her fight with the American president underscores what has been a surprisingly effective political style.

From The Wall Street Journal • Jun. 28, 2026

The LAF will "gradually assume full and effective security responsibility in pilot zones, which will serve as the mechanism for phased and verified redeployments of the IDF and the deployments of the LAF."

From Barron's • Jun. 27, 2026

Research suggests it may be effective in reducing biological age and disease risk factors when deployed for one cycle a month.

From The Wall Street Journal • Jun. 26, 2026

When roaming bands of Sapiens foragers migrated into colder climates, they learned to make snowshoes and effective thermal clothing composed of layers of furs and skins, sewn together tightly with the help of needles.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari




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