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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.

Before he could legally order a beer in Pittsburgh, he’d appeared in two Stanley Cup Finals, claimed one ring, and become one of the most effective two-way players in professional hockey.

From The Wall Street Journal • Jun. 13, 2026

The UK government announced a consultation on children's social media use in January, to examine the most effective ways to ensure young people can remain safe online.

From BBC • Jun. 13, 2026

The approach stands out because it remains highly effective even in the face of real-world challenges such as manufacturing imperfections and environmental noise.

From Science Daily • Jun. 12, 2026

One of the most effective ways to prevent future financial mistakes is to set rules of thumb, she noted.

From MarketWatch • Jun. 12, 2026

To have an effective and strong administration, he needed to bring together the Republican Party's warring factions.

From "Ambushed!" by Gail Jarrow




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