61 entries under poor topic. ×

41
imperfect(adjective, mean, bad, weak, rough)
29
flawed(adjective, wrong, false, inferior)
26
deficient(adjective, rough, plain, false)
22
bad(adjective, quality, bad, false)
20
incomplete(adjective, weak, rough, plain)
17
inadequate(adjective, bad, weak, rough)
17
wanting(adjective, plain, small, common)
15
damaged(adjective, weak, false, inadequate)
14
unfinished(adjective, inadequate, deficient, broken)
14
unsatisfactory(verb, adjective, person, bad, rough)
13
lacking(adjective, plain, small, common)
12
impaired(adjective, mean, bad, weak)
10
erroneous(adjective, bad, wrong, rough)
9
amiss(adjective, bad, wrong, rough)
8
fallacious(adjective, bad, wrong, rough)
8
short(adjective, weak, inadequate, incompetent)
7
injured(adjective, weak, nasty, unpleasant)
6
incorrect(adjective, bad, wrong, rough)
5
failing(short, inadequate, insufficient, deficient)
5
lame(adjective, insufficient, imperfection, scarce)
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APASmart Define. (2016). defective thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/defective/thesaurus/synonyms
ChicagoSmart Define. 2016. "defective thesaurus" https://smartdefine.org/defective/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, defective thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/defective/thesaurus/synonyms>.
MLASmart Define. "defective thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/defective/thesaurus/synonyms>