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Effective typically describes things—such as policies, treatments, arguments, and techniques—that do what they are intended to do. People can also be described as effective when they accomplish what they set out to accomplish, but the word is far more often applied to things.
Adjective effective (comparative more effective, superlative most effective) Having the power to produce a required effect or effects.
The adjective effective has many shades of meaning, but you'll usually see it describing something that's able to produce a desired goal. Effective traces back to the Latin word effectivus, from efficere, meaning “work out, accomplish,” and that meaning still holds true.
EFFECTIVE definition: 1. successful or achieving the results that you want: 2. (used about a treatment or drug) working…. Learn more.
Definition of effective adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Effective, effectual, efficacious, efficient refer to that which is able to produce a (desired) effect.
From Longman Business Dictionary ef‧fec‧tive /ɪˈfektɪv/ adjective 1 working well and producing the result or effect that was wanted or intended The company mounted a very effective publicity campaign.
syn: effective, effectual, efficacious, efficient refer to that which produces or is able to produce an effect. effective is applied to something that produces a desired or expected effect, often a lasting one: an effective speech. effectual usu. refers to something that produces a decisive outcome or result: an effectual settlement ...