Deficient and Sufficient


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

Sufficient is an antonym for deficient in imperfect topic.
Nearby Words: deficiency, deficit, deficiently
Antonyms for Deficient


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Sufficient adjective – Of a quantity that can fulfill a need or requirement but without being abundant.
Usage example: sufficient food

Deficient is an antonym for sufficient in enough topic.
Nearby Words: sufficiency, suffice, sufficiently
Antonyms for Sufficient
Similar words of deficient
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Similar words of sufficient
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Things that words describes

understanding deficient understanding sufficient understanding
levels deficient levels sufficient levels

Both words in one sentence

  • Great writers, who have modestly contented themselves with putting their experience into fiction, and have thought it quite a sufficient task to exhibit men and things as they are, she sighs over as deplorably deficient in the application of their powers.
Cite this Source
Sufficient and Deficient. (2016). Retrieved 2021, November 27, from
Deficient & Sufficient. N.p., 2016. Web. 27 Nov. 2021. <>.
Sufficient or Deficient. 2016. Accessed November 27, 2021.

Antonyms for deficient
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Antonyms for sufficient
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Google Ngram Viewer shows how "deficient" and "sufficient" have occurred on timeline: