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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.

The family on Wednesday filed a wrongful-death claim against the Los Angeles Unified School District, alleging school officials failed to investigate reports of bullying, adequately supervise student interactions or implement effective safety measures.

From Los Angeles Times

“We don’t quite believe this so, instead of assuming a continued effective average tariff rate of 11% throughout the forecast period, we now expect an effective rate of 9.1%,” he said.

From MarketWatch

Irth, an existing shareholder in Papa Johns, recently increased its effective stake to around 10%, one of the people familiar with the matter said.

From The Wall Street Journal

International waters become expansions of border zones as the relentless logic of the border mandates effective control of the areas approaching it.

From Salon

She added that the drugs did not provide effective coverage against a Gram-positive organism, which was the most likely pathogen causing the infection.

From BBC