as in efficacy
the power to produce a desired result
the efficaciousness of exercise in improving physical as well as emotional well-being
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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for efficaciousness
Noun
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So far, the data is limited on the efficacy of dry floating compared to wet floating.—
Shelby Hartman,
Los Angeles Times,
18 Feb. 2026 -
Today, Qureshi is arguably the public face of Dragonfly, thanks to his role on the popular Chopping Block podcast—the crypto version of All-In—and viral posts on Crypto Twitter about the failure of Web3 gaming or the efficacy of blockchain launches.—
Leo Schwartz,
Fortune,
17 Feb. 2026
Noun
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Captures and killings of cartel leaders serve a strategic purpose of showing that something is being done, but the effectiveness of such policies in the long run is very limited.—
Angélica Durán-Martínez,
The Conversation,
24 Feb. 2026
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This development challenged the prevailing wisdom then that training advanced models require more processing power, and raised questions about the effectiveness of US tech and export controls.—
John Liu,
CNN Money,
24 Feb. 2026
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Cite this Entry
“Efficaciousness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/efficaciousness. Accessed 26 Feb. 2026.
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