Deficient
Deficient adjective - Falling short of a standard.
Usage example: woefully deficient eyesight kept him out of military service
Defective is a synonym for deficient in better topic. In some cases you can use "Defective" instead an adjective "Deficient", when it comes to topics like imperfect, inadequate, faulty, unsatisfactory. popular alternative
Defective
Defective adjective - Having a fault.
Usage example: promptly took the defective microwave oven back to the store for a replacement
Deficient is a synonym for defective in better topic. You can use "Deficient" instead an adjective "Defective", if it concerns topics such as inadequate, weak, faulty, lacking. popular alternative
Mutual synonyms
Related pairs
Cite this Source
Defective and Deficient. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deficient/defective
Deficient & Defective. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deficient/defective>.
Defective or Deficient. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deficient/defective.
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