efficacy

noun

Definition of efficacynext
as in effectiveness
the power to produce a desired result questioned the efficacy of the alarms in actually preventing auto theft

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Thesaurus Entries Near efficacy

efficacity

efficacy

efficiency

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“Efficacy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/efficacy. Accessed 24 Apr. 2024.

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More from Merriam-Webster on efficacy

Nglish: Translation of efficacy for Spanish Speakers

Britannica English: Translation of efficacy for Arabic Speakers

Britannica.com: Encyclopedia article about efficacy

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