efficacity

noun

ˌe-fə-ˈka-sə-tē How to pronounce efficacity (audio)
Definition of efficacitynext
as in efficacy
the power to produce a desired result the limited efficacity of the primitive tool as an instrument for cutting raw meat

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of efficacity Employing touchscreens for voting results in the adoption of technology for its own sake rather than to provide efficacity. — Letter Writers, Twin Cities, 10 Nov. 2019
Recent Examples of Synonyms for efficacity
  1. efficacy
  2. effectiveness
Noun
  • Lack of self-efficacy Lahey explains that kids who never have to deal with the consequences of their actions end up feeling a lack of self-efficacy.
    — Cheryl Maguire, Parents, 1 Sep. 2026
  • The need-to-know this morning Alumis said its experimental treatment for lupus failed to achieve the efficacy goals of a mid-stage clinical trial.
    — Helen Branswell, STAT, 1 Sep. 2026
Definition of efficacy
Noun
  • Now the technique has become mainstream as attackers reap its simplicity and effectiveness in infecting users of PCs and Macs alike.
    — Dan Goodin, ArsTechnica, 11 Sep. 2026
  • The chaotic, violence-laden sequence is but the first of many in a film that aspires to classic Hollywood action movie status but reduces its effectiveness through overkill of both the literal and figurative kind.
    — Frank Scheck, HollywoodReporter, 10 Sep. 2026
Definition of effectiveness

Browse Nearby Words

efficaciousness
efficacity
efficacy
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Cite this Entry

“Efficacity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/efficacity. Accessed 11 Sep. 2026.

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