Deficient and Supernumerary

Opposite meaning words

Deficient adjective - Lacking some necessary part.

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Supernumerary is an antonym for deficient.

Nearby Words: deficiency, deficit, deficiently

Supernumerary adjective - Being over what is needed.

Usage example: a third, supernumerary witness to the signing of the will

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Deficient is an antonym for supernumerary.

Cite this Source

Supernumerary and Deficient. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/deficient/supernumerary

Deficient & Supernumerary. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/deficient/supernumerary>.

Supernumerary or Deficient. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/deficient/supernumerary.

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