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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Stanford says human clinical trials are expected in the near future, but every new drug must clear safety trials, dosing studies and efficacy trials before approval.—
Allison Palmer,
Kansas City Star,
11 June 2026 -
Safety and Stability Properties Between various countries’ regulatory approval and real-world use, bemotrizinol has some of the most robust safety and efficacy testing among sunscreen filters.—
Lauren J. Young,
Scientific American,
9 June 2026
Noun
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This emphasis on user-friendly effectiveness is immediately apparent in CyberFOX’s simple setup approach.—
Wyles Daniel,
USA Today,
8 June 2026
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Ervin recommends placing these about eight feet apart for maximum effectiveness.—
Sarah Lyon,
The Spruce,
8 June 2026
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“Effectualness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/effectualness. Accessed 15 Jun. 2026.
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