10
wrong(adjective, bad, false, incorrect, broken)
10
erroneous(adjective, bad, wrong, rough, poor)
9
amiss(adjective, bad, wrong, rough, poor)
9
dysfunctional(adjective, impaired)
9
marred(adjective, deficient, broken, incomplete, inexact)
8
fallacious(adjective, bad, wrong, rough, poor)
8
short(adjective, weak, poor, inadequate, incompetent)
8
sketchy(adjective, rough, inadequate, bare, deficient)
8
tainted(adjective, false, inadequate, insufficient, imperfection)
7
blemished(adjective, broken, working, imperfect, impure)
7
inaccurate(adjective, bad, wrong, false, incorrect)
7
injured(adjective, weak, poor, nasty, unpleasant)
7
not good
7
scanty(adjective, small, common, insignificant, unimportant)
7
wretched(verb, adjective, person, bad, feelings)
6
cracked(adjective, imperfection, blemished)
6
illogical(adjective, ill, unhealthy, frail, erroneous)
6
incorrect(adjective, bad, wrong, rough, poor)
6
rotten(adjective, mean, bad, false, inferior)
6
weak(adjective, dull, mean, simple, imperfection)
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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>