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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.

The researchers note that phosphatidylcholine supplementation remained effective even when introduced during middle or advanced age.

From Science Daily • Jun. 11, 2026

Newer studies found that microfinance is effective at helping existing entrepreneurs expand their businesses.

From The Wall Street Journal • Jun. 11, 2026

It is hoped that conceding a corner which could lead to conceding a goal is a more effective deterrent.

From BBC • Jun. 10, 2026

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

Balderdash was not only a fun word to say but an effective one.

From "Not Nothing" by Gayle Forman




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