5
marred(adjective, poor, inadequate, broken, incomplete)
5
mediocre(adjective, bad, weak, poor, miserable)
5
scrimpy(adjective, close, light, slight, poor)
5
short of(verb, phrasal verb, shortcoming, incompleteness)
5
spare(adjective, close, light, slight, poor)
5
too little(expression, adjective, idiom, poor, insufficient)
5
trifling(adjective, weak, poor, small, miserable)
5
unacceptable(adjective, bad, rough, poor, awful)
5
unqualified(adjective, weak, poor, low, thin)
4
bantam(adjective, small, common, insignificant, unimportant)
4
bare(close, light, slight, poor, empty)
4
barren(adjective, poor, small, insignificant, unimportant)
4
base(adjective, weak, poor, small, common)
4
blemished(adjective, imperfect)
4
depleted(adjective, poor, small, insignificant, unimportant)
4
exceptional
4
found wanting(expression, adjective, idiom, poor, inadequate)
4
fragmentary(adjective, incomplete)
4
inconsiderable(adjective, small, common, insignificant, unimportant)
4
infertile(adjective, poor, small, insignificant, unimportant)
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APASmart Define. (2015). deficient thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/deficient/thesaurus/synonyms
ChicagoSmart Define. 2015. "deficient thesaurus" https://smartdefine.org/deficient/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, deficient thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/deficient/thesaurus/synonyms>.
MLASmart Define. "deficient thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/deficient/thesaurus/synonyms>