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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.

In contrast, wearing earplugs proved far more effective at protecting sleep from traffic noise.

From Science Daily

AI overviews, an AI summary of search results at the top of traditional Google search, have proven to be very effective in maintaining the near 90% market share Google has in search.

From Barron's

It added leadership oversight, management arrangements and team culture had "strengthened" with "more effective ways of working" and "a more positive team environment" in place.

From BBC

The law provides that the provision became effective “upon the date of enactment . . . subject to any transition period determined appropriate” of up to three fiscal years.

From The Wall Street Journal

The instrument is especially effective at detecting galaxies hidden behind thick clouds of cosmic dust.

From Science Daily