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
  • Another way to measure the law’s efficacy is to ask parents themselves.
    — Ravi Iyer, Time, 18 July 2026
  • Many within the military outside the high command also spoke against Fedorov, voicing skepticism about the efficacy of his reforms.
    — Brady Knox, The Washington Examiner, 16 July 2026
Definition of efficacy
Noun
  • More broadly, Kimi K3’s capabilities are renewing questions about the effectiveness of Washington’s tech export curbs.
    — John Liu, CNN Money, 24 July 2026
  • His mobility has long been an asset in sack avoidance, though even that has seen a dip in effectiveness over the past two years.
    — Sam McDowell, Kansas City Star, 24 July 2026
Definition of effectiveness

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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 24 Jul. 2026.

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