89 entries under deficient topic. ×

6
skimpy(adjective, weak, poor, small, common)
6
subpar(adjective, weak, poor, miserable, inferior)
6
weak(adjective, poor, small, uncertain, miserable)
5
contemptible(adjective, weak, poor, small, common)
5
faulty(adjective, weak, poor, plain, miserable)
5
inferior(adjective, weak, poor, miserable, short)
5
niggardly(adjective, weak, poor, small, common)
5
partial(adjective, inadequate, incomplete, imperfect)
5
shabby(adjective, weak, poor, small, common)
5
sketchy(adjective, inadequate, bare, incomplete)
4
crude(adjective, weak, poor, plain, rude)
4
immature(adjective, poor, plain, inadequate, bare)
4
low(adjective, weak, poor, short, insufficient)
4
minus(adjective, preposition, bar, save)
3
base(adjective, weak, poor, small, common)
3
flawed(adjective, weak, poor, inferior, short)
3
insignificant(adjective, weak, poor, small, common)
3
mean(adjective, clear, weak, poor, small)
3
slight(adjective, weak, poor, small, common)
3
trifling(adjective, weak, poor, small, miserable)
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APASmart Define. (2015). lacking thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lacking/thesaurus/synonyms
ChicagoSmart Define. 2015. "lacking thesaurus" https://smartdefine.org/lacking/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, lacking thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lacking/thesaurus/synonyms>.
MLASmart Define. "lacking thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/lacking/thesaurus/synonyms>