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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.

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

From The Wall Street Journal • Jun. 11, 2026

One of the most effective ways to reduce the risk of hearing damage is to limit exposure to loud noise.

From Science Daily • Jun. 10, 2026

Alessandra Bielli, from the Centre for Environment, Fisheries and Aquaculture Science, has been leading a trial since 2019 exploring whether pingers are an effective long-term deterrent when used closer to shore.

From BBC • Jun. 10, 2026

Another, the Rybar Telegram channel, credited Madyar with creating "the most effective formation of its kind" within the Ukrainian army.

From Barron's • Jun. 10, 2026

As one private eye put it, he might be a “miserable snake,” but he was also “the silent, secret, and effective Avenger of the outraged Majesty of the Law when everything else fails.”

From "Killers of the Flower Moon" by David Grann




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