EFFECTUALNESS Synonyms: 22 Similar and Opposite Words

effectualness

noun

Definition of effectualness

as in efficacy

the power to produce a desired result the effectualness of that new cancer treatment has yet to be proven

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Recent Examples of Synonyms for effectualness

Noun

However, as the industry innovates with newer products such as high alcohol content beer or ready-to-drink cocktails, the efficacy of the categorical system continues to break down.

— Adam Hoffer, Chicago Tribune, 5 July 2026
Program planning needs to take into account the fun factor without losing efficacy.

— Matt Parrott, Arkansas Online, 5 July 2026

Definition of efficacy

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effectually

effectualness

effectuate

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“Effectualness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/effectualness. Accessed 13 Jul. 2026.

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Synonyms of effectualness

noun

Example Sentences

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