| invalid(adjective, mean, wrong, false) | |
| vile(verb, adjective, person, feelings) | |
| dirty(adjective, nasty, unpleasant, awful) | |
| displeasing | |
| mistaken(adjective, wrong, false, incorrect) | |
| askew(wrong, false, incorrect) | |
| baneful | |
| out(wrong, false, incorrect, faulty) | |
| specious(wrong, false, ill, incorrect) | |
| unfavorable | |
| unpleasant | |
| untrue(wrong, false, incorrect, inexact) | |
| wide(wrong, false, incorrect, inexact) | |
| arrant | |
| counterfactual(wrong, false, incorrect, inexact) | |
| detrimental | |
| ill-suited | |
| in error(expression, wrong, false, incorrect) | |
| inadvisable | |
| irremediable |
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Defective on
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| APA | Smart Define. (2016). defective thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/defective/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "defective thesaurus" https://smartdefine.org/defective/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, defective thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/defective/thesaurus/synonyms>. |
| MLA | Smart Define. "defective thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/defective/thesaurus/synonyms> |