60 entries under lacking topic. ×
| substandard(adjective, weak, rough, poor, awful) | |
| weak(adjective, slight, poor, false, small) | |
| missing(adjective, poor, short, inadequate, exhausted) | |
| rare(adjective, close, light, poor, exceptional) | |
| impaired(adjective, poor, false, inferior, inadequate) | |
| minus(adjective, poor, inadequate, shortcoming) | |
| thin(adjective, close, light, slight, poor) | |
| failing(adjective, close, light, poor, short) | |
| infrequent(adjective, poor, strange, exceptional, inadequate) | |
| unqualified(adjective, weak, poor, low, thin) | |
| exiguous(adjective, close, light, weak, slight) | |
| in short supply(expression, adjective, idiom, down, inadequate) | |
| unequal(adjective, poor, inadequate, insufficient, scarce) | |
| bankrupt(poor, exhausted, wanting, impoverished) | |
| impecunious(flat, poor, exhausted, wanting) | |
| insolvent(poor, exhausted, wanting, bankrupt) | |
| needy(adjective, poor, exhausted, wanting) | |
| penniless(poor, exhausted, wanting, bankrupt) | |
| penurious(poor, exhausted, wanting, bankrupt) | |
| pinched(flat, poor, exhausted, wanting) |
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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> |