Efficiency and Ineffectiveness

Opposite meaning words

Efficiency noun - The power to produce a desired result.

Usage example: the proven efficiency of citizen patrols in reducing crime in urban neighborhoods

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Ineffectiveness is an antonym for efficiency in topics: adeptness, inefficiency.

Nearby Words: efficient, efficiently, efficacy

Ineffectiveness noun - Lacking the power to be effective.

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Efficiency is an antonym for ineffectiveness in effectiveness topic.

Nearby Words: ineffective, ineffectively

Cite this Source

Ineffectiveness and Efficiency. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/efficiency/ineffectiveness

Efficiency & Ineffectiveness. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/efficiency/ineffectiveness>.

Ineffectiveness or Efficiency. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/efficiency/ineffectiveness.

Google Ngram Viewer shows how "efficiency" and "ineffectiveness" have occurred on timeline