as in efficacy
the power to produce a desired result
the limited efficacity of the primitive tool as an instrument for cutting raw meat
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
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
Letter Writers, Twin Cities, 10 Nov. 2019
Recent Examples of Synonyms for efficacity
Noun
-
SROs have been controversial, with critics doubting on-campus law enforcement’s efficacy in responding to school shootings.—
Jennah Pendleton,
Sacbee.com,
16 Apr. 2026
-
The upper chamber’s proposal would also have required health care workers to show parents information created by the state medical board about a vaccine’s risks, benefits, safety and efficacy.—
Garrett Shanley,
Miami Herald,
15 Apr. 2026
Noun
-
The device uses heat therapy combined with SonicGlow to activate your skin care by assisting with deeper absorption and effectiveness.—
Tory Johnson,
ABC News,
13 Apr. 2026
-
But this loss of horsepower and expertise has come at the cost of her own effectiveness in the role—if, that is, effectiveness is really the goal to begin with.—
Quinta Jurecic,
The Atlantic,
13 Apr. 2026
Cite this Entry
“Efficacity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/efficacity. Accessed 21 Apr. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
