Deficient and Superfluous

Opposite meaning words

Deficient adjective - Lacking some necessary part.

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Superfluous is an antonym for deficient in imperfect topic.

Nearby Words: deficiency, deficit, deficiently

Superfluous adjective - Being over what is needed.

Usage example: cleared off all the superfluous stuff on his desk to make room for the new computer

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Deficient is an antonym for superfluous.

Nearby Words: superfluity, superfluously

Cite this Source

Superfluous and Deficient. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deficient/superfluous

Deficient & Superfluous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deficient/superfluous>.

Superfluous or Deficient. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deficient/superfluous.

Google Ngram Viewer shows how "deficient" and "superfluous" have occurred on timeline