41
imperfect(adjective, mean, bad, weak, rough)
34
faulty(adjective, bad, weak, false, better)
29
flawed(adjective, wrong, poor, false, inferior)
26
deficient(adjective, rough, poor, plain, false)
22
bad(adjective, quality, bad, poor, false)
20
incomplete(adjective, weak, rough, poor, plain)
18
unsound(adjective, bad, wrong, thin, false)
17
inadequate(adjective, bad, weak, rough, poor)
17
wanting(adjective, poor, plain, small, common)
15
damaged(adjective, weak, poor, false, inadequate)
15
insufficient(adjective, small, common, insignificant, unimportant)
14
poor(adjective, bad, small, common, insignificant)
14
unfinished(adjective, poor, inadequate, deficient, broken)
14
unsatisfactory(verb, adjective, person, bad, rough)
13
half-assed
13
lacking(adjective, poor, plain, small, common)
12
impaired(adjective, mean, bad, weak, poor)
11
broken(verb, adjective, false, imperfect, wanting)
11
inferior(adjective, bad)
11
out of order(expression, adjective, idiom, false, imperfection)
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APASmart Define. (2016). defective thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/defective/thesaurus/synonyms
ChicagoSmart Define. 2016. "defective thesaurus" https://smartdefine.org/defective/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, defective thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/defective/thesaurus/synonyms>.
MLASmart Define. "defective thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/defective/thesaurus/synonyms>