Ability and Deficiency

Ability

Ability noun - The physical or mental power to do something.
Usage example: as a result of the accident the once-vigorous athlete lost the ability to walk

Deficiency is an antonym for ability.

Nearby Word: able

Deficiency

Deficiency noun - A falling short of an essential or desirable amount or number.

Ability is an antonym for deficiency.

Nearby Words: deficient, deficit, deficiently

How words are described

high high ability high deficiency
particular particular ability particular deficiency
certain certain ability certain deficiency
single single ability single deficiency
Other adjectives: actual, real, mental, racial, magical.

Both words in one sentence

  • Webcomic / Vegan Artbook Drama Queen: When Diva explains how she still got iron deficiency from doing a vegan diet right—which, in Real Life, tends to indicate a limited ability to process non-heme iron—she is dismissed as being overdramatic (and admonished by Brie for having not eaten enough iron-rich foods).
Cite this Source
Deficiency and Ability. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/ability/deficiency
Ability & Deficiency. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/ability/deficiency>.
Deficiency or Ability. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/ability/deficiency.
Google Ngram Viewer shows how "ability" and "deficiency" have occurred on timeline