207 entries under poor topic. ×

6
small(adjective, light, weak, low)
6
subpar(adjective, weak, miserable, inferior)
6
thin(adjective, close, light, slight)
5
contemptible(adjective, weak, small, common)
5
crude(adjective, weak, plain, miserable)
5
failing(adjective, close, light, short)
5
immature(adjective, plain, inadequate, bare)
5
inapt(inadequate, insufficient, scarce)
5
infrequent(adjective, strange, exceptional, inadequate)
5
little(adjective, close, light, slight)
5
marred(adjective, inadequate, broken, incomplete)
5
mediocre(adjective, bad, weak, miserable)
5
scrimpy(adjective, close, light, slight)
5
spare(adjective, close, light, slight)
5
too little(expression, adjective, idiom, insufficient)
5
trifling(adjective, weak, small, miserable)
5
unacceptable(adjective, bad, rough, awful)
5
unqualified(adjective, weak, low, thin)
4
bare(close, light, slight, empty)
4
barren(adjective, small, insignificant, unimportant)
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APASmart Define. (2015). deficient thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/deficient/thesaurus/synonyms
ChicagoSmart Define. 2015. "deficient thesaurus" https://smartdefine.org/deficient/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, deficient thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/deficient/thesaurus/synonyms>.
MLASmart Define. "deficient thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/deficient/thesaurus/synonyms>