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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 most likely to change their mind were people who said they were initially worried about whether the vaccine was effective or had concerns about its impact on their health, the researchers found.

From Barron's

But the founders of IriHealth -- a spin-off of biometrics specialist IriTech -- are convinced that their device can be effective in detecting anomalies in the colon, and potentially the lungs or the liver.

From Barron's

The first effective weight-loss pills should hit the market this year, but expect lots of other news in obesity drugs this year, said a Guggenheim Securities note Sunday.

From Barron's

This use of video—along with a murmuring choral background—makes Ana’s dream sequences, in which she tries to become part of the landscape, the most effective parts of the show.

From The Wall Street Journal

His election pitch had promised "leadership for a more effective, respected and influential House" and had argued that "as the Commons continues to struggle to scrutinise legislation effectively, greater pressure will fall on this House".

From BBC