Deficient
Deficient adjective - Not coming up to an expected measure or meeting a particular need.
Usage example: too deficient in common sense to be trusted to stay by himself
Shy is a synonym for deficient in imperfect topic. In some cases you can use "Shy" instead an adjective "Deficient", when it comes to topics like big.
Shy
Mutual synonyms
Cite this Source
Shy and Deficient. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deficient/shy
Deficient & Shy. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deficient/shy>.
Shy or Deficient. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deficient/shy.
Google Ngram Viewer shows how "deficient" and "shy" have occurred on timeline