3
small-minded(adjective, poor, small, common, insignificant)
3
sparing(adjective, close, light, poor, small)
3
spoiled(adjective, imperfect)
3
stupid(adjective, dull, silly, foolish, intelligent)
3
tainted(adjective, imperfection, imperfect)
3
unaccomplished(adjective, incomplete)
3
unequal(adjective, poor, inadequate, insufficient, scarce)
3
unequal to(verb, phrasal verb, insufficiency)
3
unprepared(adjective, poor, thin, small, inadequate)
3
unreached
3
unsatisfying
3
vacant(adjective, poor, small, insignificant, unimportant)
3
wretched(adjective, small, common, insignificant, unimportant)
2
amateurish
2
bankrupt(poor, exhausted, lacking, wanting, impoverished)
2
beggarly(adjective, small)
2
bush
2
compact(adjective, small)
2
delicate(adjective, small)
2
discontinuous(adjective, incomplete)
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APASmart Define. (2015). deficient thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/deficient/thesaurus/synonyms
ChicagoSmart Define. 2015. "deficient thesaurus" https://smartdefine.org/deficient/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, deficient thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/deficient/thesaurus/synonyms>.
MLASmart Define. "deficient thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/deficient/thesaurus/synonyms>