62 entries under weak topic. ×

37
insufficient(adjective, close, light, slight)
35
inadequate(adjective, close, light, slight)
28
lacking(adjective, flat, poor, plain)
27
wanting(adjective, close, light, slight)
26
imperfect(adjective, rough, poor, plain)
23
incomplete(adjective, poor, plain, false)
23
scanty(adjective, light, slight, flat)
22
poor(adjective, close, light, slight)
21
short(adjective, close, light, slight)
21
unsatisfactory(adjective, rough, poor, awful)
19
faulty(adjective, rough, poor, plain)
19
inferior(adjective, rough, poor, awful)
19
shy(adjective, close, light, poor)
18
scant(adjective, light, slight, flat)
18
scarce(adjective, light, slight, flat)
18
skimpy(adjective, close, light, slight)
12
incompetent(adjective, poor, low, short)
10
niggardly(adjective, poor, small, common)
10
bad(adjective, quality, poor, false)
10
substandard(adjective, rough, poor, awful)
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APASmart Define. (2015). deficient thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/deficient/thesaurus/synonyms
ChicagoSmart Define. 2015. "deficient thesaurus" https://smartdefine.org/deficient/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, deficient thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/deficient/thesaurus/synonyms>.
MLASmart Define. "deficient thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/deficient/thesaurus/synonyms>