Deficiency
Deficiency noun - A falling short of an essential or desirable amount or number.
Feast is an antonym for deficiency.
Feast
Feast noun - An amount or supply more than sufficient to meet one's needs.
Usage example: on the Internet there's a feast of information about this medical condition
Deficiency is an antonym for feast.
Cite this Source
Feast and Deficiency. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deficiency/feast
Deficiency & Feast. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deficiency/feast>.
Feast or Deficiency. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deficiency/feast.
Google Ngram Viewer shows how "deficiency" and "feast" have occurred on timeline