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- Dictionaryefficacy/ˈɛfɪkəsi/
noun
- 1. the ability to produce a desired or intended result: formal "there is little information on the efficacy of this treatment"
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EFFICACY definition: 1. the ability of something to produce the intended result: 2. how well a particular treatment or…. Learn more.
The meaning of EFFICACY is the power to produce an effect. How to use efficacy in a sentence.
Efficacy definition: the capacity for producing a desired result or effect. See examples of EFFICACY used in a sentence.
If you talk about the efficacy of something, you are talking about its effectiveness and its ability to do what it is supposed to. Recent medical studies confirm the efficacy of a healthier lifestyle.
The degree to which a method or medicine brings about a specific result is its efficacy. You might not like to eat it, but you can't question the efficacy of broccoli as a health benefit. Efficacy is a more formal way to say effectiveness, both of which stem from the Latin verb efficere "to work out, accomplish."
Definition of efficacy noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Efficacy definition: Power or capacity to produce a desired effect; effectiveness.
