Deficient
Deficient adjective - Falling short of a standard.
Usage example: woefully deficient eyesight kept him out of military service
Substandard is a synonym for deficient in defective topic. In some cases you can use "Substandard" instead an adjective "Deficient". popular alternative
Substandard
Substandard adjective - Falling short of a standard.
Usage example: a teacher who rejects substandard work without hesitation
Deficient is a synonym for substandard. You can use "Deficient" instead an adjective "Substandard". popular alternative
Mutual synonyms
Related pairs
- low and deficient
- low and substandard
- short and deficient
- short and substandard
- inferior and deficient
- inferior and substandard
- imperfect and deficient
- imperfect and substandard
- poor and deficient
- poor and substandard
- inadequate and deficient
- inadequate and substandard
- weak and deficient
- weak and substandard
Cite this Source
Substandard and Deficient. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deficient/substandard
Deficient & Substandard. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deficient/substandard>.
Substandard or Deficient. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deficient/substandard.
Google Ngram Viewer shows how "deficient" and "substandard" have occurred on timeline