Effectiveness and Incompetency
Opposite meaning words
Effectiveness
Effectiveness noun - The power to produce a desired result.
Usage example: the huge upsurge in sales pretty much demonstrated the effectiveness of the new ad campaign
Incompetency is an antonym for effectiveness.
Incompetency
Incompetency noun - The lack of sufficient ability, power, or means.
Usage example: the incompetency of the secretary was revealed only after she had left the company, and her successor discovered years of filing left undone
Effectiveness is an antonym for incompetency.
Cite this Source
Incompetency and Effectiveness. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/effectiveness/incompetency
Effectiveness & Incompetency. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/effectiveness/incompetency>.
Incompetency or Effectiveness. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/effectiveness/incompetency.
Google Ngram Viewer shows how "effectiveness" and "incompetency" have occurred on timeline