as in efficacy
the power to produce a desired result
the effectualness of that new cancer treatment has yet to be proven
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Example Sentences
Recent Examples of Synonyms for effectualness
efficacy
Noun
-
Like the probiotics claiming to heal your gut, vaginal ones haven’t undergone the stringent safety and efficacy testing necessary for FDA approval.—
Erica Sloan,
SELF,
7 July 2025 -
Testers considered performance across four primary categories: efficacy, texture and experience, fragrance, and packaging.—
Jennifer Hussein,
Allure,
30 June 2025
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“Effectualness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/effectualness. Accessed 15 Jul. 2025.
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