107 entries under deficient topic. ×

75
incorrect(adjective, feature, state, bad, wrong)
30
imperfect(adjective, weak, rough, poor, plain)
24
unsound(adjective, bad, wrong, fake, poor)
21
erroneous(adjective, bad, wrong, fake, rough)
20
bad(adjective, quality, bad, weak, wrong)
18
fallacious(adjective, bad, wrong, fake, rough)
18
inadequate(adjective, bad, weak, rough, poor)
16
insufficient(adjective, weak, rough, poor, miserable)
14
incomplete(adjective, weak, rough, poor, plain)
13
inexact(adjective, bad, wrong, fake, false)
12
broken(verb, adjective, false, down, incorrect)
12
impaired(adjective, poor, incorrect, working)
12
imprecise(adjective, wrong, false, incorrect, unsound)
11
poor(adjective, bad, weak, rough, awful)
11
unsatisfactory(adjective, bad, weak, rough, poor)
11
weak(adjective, poor, terrible, gloomy, miserable)
8
inferior(adjective, bad, weak, rough, poor)
8
marred(adjective, poor, incorrect, broken)
8
warped(adjective, incorrect, imperfection, broken)
7
unfinished(adjective, poor, inadequate, incomplete)
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APASmart Define. (2016). faulty thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/faulty/thesaurus/synonyms
ChicagoSmart Define. 2016. "faulty thesaurus" https://smartdefine.org/faulty/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, faulty thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/faulty/thesaurus/synonyms>.
MLASmart Define. "faulty thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/faulty/thesaurus/synonyms>