Inefficacy and Strength

Opposite meaning words

Inefficacy noun - A lack of efficacy.

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Strength is an antonym for inefficacy in ineffectuality topic.

Strength noun - The ability to exert effort for the accomplishment of a task.

Usage example: the murdered man's wife didn't have the emotional strength to face reporters

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Inefficacy is an antonym for strength.

Cite this Source

Strength and Inefficacy. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/inefficacy/strength

Inefficacy & Strength. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/inefficacy/strength>.

Strength or Inefficacy. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/inefficacy/strength.

Google Ngram Viewer shows how "inefficacy" and "strength" have occurred on timeline