Deficient and Plenteous

Deficient

Deficient adjective - Not coming up to an expected measure or meeting a particular need.
Usage example: too deficient in common sense to be trusted to stay by himself

Plenteous is an antonym for deficient.

Nearby Words: deficiency, deficit, deficiently

Plenteous

Plenteous adjective - Being more than enough without being excessive.
Usage example: a plenteous supply of napkins for the backyard barbecue

Deficient is an antonym for plenteous.

Nearby Words: plenty, plentiful, plentifully
Cite this Source
Plenteous and Deficient. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/deficient/plenteous
Deficient & Plenteous. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/deficient/plenteous>.
Plenteous or Deficient. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/deficient/plenteous.
Google Ngram Viewer shows how "deficient" and "plenteous" have occurred on timeline