356 entries under adjective topic. ×

5
sick(incorrect, deficient, broken, working)
5
slipshod(rough, poor, awful, careless)
5
spurious(bad, wrong, fake, false)
5
substandard(weak, rough, poor, awful)
5
unfit(incompetent, incorrect, broken, working)
5
unsuitable(weak, wrong, false, feeble)
4
aberrant
4
at fault(expression, bad, wrong, false)
4
inappropriate(wrong, false, useless, incorrect)
4
ineffective(weak, poor, inadequate, feeble)
4
inefficient(weak, feeble, well, incompetent)
4
leaky(incorrect, imperfection, working, imperfect)
4
malfunctioning(incorrect, working)
4
mediocre(weak, poor, miserable, inferior)
4
patchy(short, deficient, lacking, incomplete)
4
rotten(bad, weak, poor, false)
4
shoddy(weak, poor, loose, miserable)
4
short(poor, inadequate, insufficient, deficient)
4
sketchy(rough, bare, deficient, lacking)
4
unfounded(wrong, fake, false, counterfeit)
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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>