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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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for effectualness
Noun
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For that reason, the study failed to achieve its primary efficacy goal, which was a dose response.—
Adam Feuerstein,
STAT,
14 May 2026 -
Novo has said that the similar efficacy of more than 20% between high-dose Wegovy and Zepbound could help the company win back market share from Lilly.—
Annika Kim Constantino,
CNBC,
12 May 2026
Noun
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While Jaquez did not provide the eye-popping scoring of some of her teammates, the wing brought a cool effectiveness to the defensive side of the ball while tallying a pair of assists and a handful of deflections.—
Julia Poe,
Chicago Tribune,
10 May 2026
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The United States and Israel pounded Iran with devastating effectiveness for 37 days, killing much of the country’s leadership and destroying the bulk of its military, yet couldn’t collapse the regime or exact even the smallest concession from it.—
Robert Kagan,
The Atlantic,
10 May 2026
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“Effectualness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/effectualness. Accessed 15 May. 2026.
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