as in efficacy
the power to produce a desired result
the effectualness of that new cancer treatment has yet to be proven
Synonyms & Similar Words
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Example Sentences
Recent Examples of Synonyms for effectualness
Noun
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But its efficacy was only about 73 to 75 percent.—
Tara Haelle,
Scientific American,
9 Apr. 2026 -
Some in the medical community challenge the efficacy of treatments offered by Hydration Room and similar clinics.—
Nollyanne Delacruz,
Mercury News,
8 Apr. 2026
Noun
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The brief casts doubt on the agency’s effectiveness due to a lack of partnerships between the FWA, local authorities, unions, enforcement agencies and community organizations.—
Angela Velasquez,
Footwear News,
6 Apr. 2026
-
But the Iran war has also highlighted the effectiveness of low-cost weapons.—
Jason Ma,
Fortune,
6 Apr. 2026
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“Effectualness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/effectualness. Accessed 10 Apr. 2026.
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