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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.

In Mexico, where microfinance lenders have come under fire for charging effective annual interest rates above 400%, a popular lender, Consejo de Asistencia al Microemprendedor, went into liquidation last year.

From The Wall Street Journal • Jun. 11, 2026

The author argues that these particles may have been among the most effective MN-zymes and could have occupied a central place in the evolutionary history of nanozymes during the OoL on Earth.

From Science Daily • Jun. 10, 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

And unlike many wealthy self-funders, Steyer did not leap into a campaign as a political neophyte who assumed their business skills would translate into being an effective elected official.

From Los Angeles Times • 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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