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