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
-
The agency has issued consumer alerts stating that its true efficacy and safety are unknown.—
Cindy Krischer Goodman,
Sun Sentinel,
5 Mar. 2026 -
As Polymarket inundates millions of timelines with newsy statements, the efficacy of each announcement can be hard to parse.—
Joe Wilkins,
Futurism,
5 Mar. 2026
Noun
-
These have questionable or no effectiveness, says Owen.—
Arricca Elin SanSone,
Southern Living,
9 Mar. 2026
-
This is an ideal solution for technically adept web admins who prioritize cost-effectiveness, absolute control, and performance.—
Gabriel Zamora,
PC Magazine,
8 Mar. 2026
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Cite this Entry
“Effectualness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/effectualness. Accessed 11 Mar. 2026.
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