Effectualness and Ineffectuality

Opposite meaning words

Effectualness noun - The power to produce a desired result.

Usage example: the effectualness of that new cancer treatment has yet to be proven

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Ineffectuality is an antonym for effectualness.

Ineffectuality noun - Lacking the power to be effective.

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Effectualness is an antonym for ineffectuality.

Cite this Source

Ineffectuality and Effectualness. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/effectualness/ineffectuality

Effectualness & Ineffectuality. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/effectualness/ineffectuality>.

Ineffectuality or Effectualness. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/effectualness/ineffectuality.

Google Ngram Viewer shows how "effectualness" and "ineffectuality" have occurred on timeline