Efficiency
Efficiency noun - The power to produce a desired result.
Usage example: the proven efficiency of citizen patrols in reducing crime in urban neighborhoods
Inability
Inability noun - The lack of sufficient ability, power, or means.
Usage example: the apparent inability of young children to sit still
Efficiency is an antonym for inability.
How words are described
Cite this Source
Inability and Efficiency. (2016). Retrieved 2026, August 11, from https://thesaurus.plus/related/efficiency/inability
Efficiency & Inability. N.p., 2016. Web. 11 Aug. 2026. <https://thesaurus.plus/related/efficiency/inability>.
Inability or Efficiency. 2016. Accessed August 11, 2026. https://thesaurus.plus/related/efficiency/inability.
Google Ngram Viewer shows how "efficiency" and "inability" have occurred on timeline