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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Earlier this week, pharmaceutical company Pfizer and its partner Valneva announced that an experimental Lyme disease vaccine showed more than 70% efficacy in late-stage clinical trials.—
Mary Kekatos,
ABC News,
24 Mar. 2026 -
Finding passions, hobbies, community and values outside of family can help build self-worth and self-efficacy, Cole said.—
Rachel Hale,
USA Today,
24 Mar. 2026
Noun
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The bill proposes creating a comparative effectiveness review process for prescription drugs on the Medicaid formulary.—
James Hart,
Hartford Courant,
30 Mar. 2026
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No injuries were reported among passengers or crew, underscoring the effectiveness of both onboard procedures and ground coordination.—
Aamir Khollam,
Interesting Engineering,
30 Mar. 2026
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“Effectualness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/effectualness. Accessed 1 Apr. 2026.
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