Efficaciousness and Ineffectiveness
Opposite meaning words
Efficaciousness
Efficaciousness noun - The power to produce a desired result.
Usage example: the debatable efficaciousness of many of the campaigns aimed at reducing smoking among teenagers
Ineffectiveness
Ineffectiveness noun - Lacking the power to be effective.
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Synonyms for Ineffectiveness
Efficaciousness is an antonym for ineffectiveness.
Nearby Words: ineffective, ineffectively
Cite this Source
Ineffectiveness and Efficaciousness. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/efficaciousness/ineffectiveness
Efficaciousness & Ineffectiveness. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/efficaciousness/ineffectiveness>.
Ineffectiveness or Efficaciousness. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/efficaciousness/ineffectiveness.
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