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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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
Letter Writers, Twin Cities, 10 Nov. 2019
Recent Examples of Synonyms for efficacity
Noun
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The report said reviews of drugs from Disc Medicine and Sanofi were also delayed to review their safety and efficacy.—
Michelle Fox,Darla Mercado, CFP®,
CNBC,
15 Jan. 2026
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Even though the relevant trial evidence showed significant improvements in patients’ blood pressure, fasting glucose and weight with minimal safety issues, the agency is insisting on additional efficacy data.—
Ross Marchand,
Baltimore Sun,
14 Jan. 2026
Noun
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The third down against the Chiefs shows all three at work and perhaps provided a blueprint for how Denver can maximize Nix’s effectiveness in the postseason.—
Parker Gabriel,
Denver Post,
12 Jan. 2026
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It was used with extreme effectiveness by Adolf Hitler during the 1930s and continued until his death by suicide in 1945.—
Chicago Tribune,
Chicago Tribune,
12 Jan. 2026
Cite this Entry
“Efficacity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/efficacity. Accessed 22 Jan. 2026.
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