What does efficacy mean?

Definitions for efficacyˈɛf ɪ kə si

Here are all the possible meanings and translations of the word efficacy.

Princeton's WordNet

  1. efficacy, efficaciousness(noun)

    capacity or power to produce a desired effect

    "concern about the safety and efficacy of the vaccine"


  1. efficacy(Noun)

    Ability to produce a desired amount of a desired effect.

  2. Origin: From efficacia, from efficax; see efficacious.

Webster Dictionary

  1. Efficacy(noun)

    power to produce effects; operation or energy of an agent or force; production of the effect intended; as, the efficacy of medicine in counteracting disease; the efficacy of prayer


  1. Efficacy

    Efficacy is the capacity to produce an effect. It has different specific meanings in different fields. In medicine, it is the ability of an intervention or drug to produce a desired effect.


  1. Chaldean Numerology

    The numerical value of efficacy in Chaldean Numerology is: 3

  2. Pythagorean Numerology

    The numerical value of efficacy in Pythagorean Numerology is: 4

Sample Sentences & Example Usage

  1. Justin Masuka:

    The answer to Efficacy lies in the hand of excellent management, reliable systems and good governess"

  2. Michael Springborn:

    This suggests that efforts to utilize social distancing to mitigate disease spread may have a limited window of efficacy.

  3. Jose Ortega y Gasset:

    The metaphor is perhaps one of man's most fruitful potentialities. Its efficacy verges on magic, and it seems a tool for creation which God forgot inside one of His creatures when He made him.

  4. Scott Eun:

    A lot of people are interpreting this as a new era where prices will drop drastically, you can expect there could be more pricing competition but, in my view that's only when efficacy is the same.

  5. Larry Wolk:

    There's nowhere else in medicine where we give a patient some seeds and say, 'Go grow this and process it and then figure out how much you need,' we need research dollars so we can answer more questions about medical efficacy.

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Translations for efficacy

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"efficacy." Definitions.net. STANDS4 LLC, 2017. Web. 21 Sep. 2017. <http://www.definitions.net/definition/efficacy>.

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