Aptitude and Incompetency

Aptitude

Aptitude noun - A habitual attraction to some activity or thing.

Incompetency is an antonym for aptitude.

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

Aptitude is an antonym for incompetency.
Cite this Source
Incompetency and Aptitude. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/aptitude/incompetency
Aptitude & Incompetency. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/aptitude/incompetency>.
Incompetency or Aptitude. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/aptitude/incompetency.
Google Ngram Viewer shows how "aptitude" and "incompetency" have occurred on timeline