Deficient and Lesser

Deficient

Deficient adjective - Falling short of a standard.
Usage example: woefully deficient eyesight kept him out of military service

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

Nearby Words: deficiency, deficit, deficiently

Lesser

Lesser adjective - Having not so great importance or rank as another.

Deficient and lesser are semantically related. Sometimes you can use "Deficient" instead an adjective "Lesser".
Cite this Source
Lesser and Deficient. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/deficient/lesser
Deficient & Lesser. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/deficient/lesser>.
Lesser or Deficient. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/deficient/lesser.
Google Ngram Viewer shows how "deficient" and "lesser" have occurred on timeline