Deficient and Incapable

Deficient

Deficient adjective - Lacking some necessary part.

Incapable and deficient are semantically related. In some cases you can use "Incapable" instead an adjective "Deficient".

Nearby Words: deficiency, deficit, deficiently

Incapable

Incapable adjective - Lacking qualities (as knowledge, skill, or ability) required to do a job.

Deficient and incapable are semantically related. Sometimes you can use "Deficient" instead an adjective "Incapable".

Nearby Word: incapability
Cite this Source
Incapable and Deficient. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deficient/incapable
Deficient & Incapable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deficient/incapable>.
Incapable or Deficient. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deficient/incapable.
Google Ngram Viewer shows how "deficient" and "incapable" have occurred on timeline