87 entries under adjective topic. ×

1
ill-suited(useless, unfit)
1
impracticable(useless, unfit)
1
impractical(useless, unfit)
1
improper(useless, unfit)
1
inadaptable(useless, unfit)
1
inadequate(useless, unfit)
1
inapplicable(useless, unfit)
1
inappreciable(useless, unfit)
1
inappropriate(useless, unfit)
1
incapable of(useless, unfit)
1
incapacitated(useless, unfit)
1
incompetent(useless, unfit)
1
ineffective(useless, unfit)
1
ineligible(useless, unfit)
1
insufficient(useless, unfit)
1
inutile(useless, unfit)
1
invalid(useless, unfit)
1
kaput(useless, unfit)
1
non-effective(useless, unfit)
1
non-serviceable(useless, unfit)
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APASmart Define. (2016). disused thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/disused/thesaurus/synonyms
ChicagoSmart Define. 2016. "disused thesaurus" https://smartdefine.org/disused/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, disused thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/disused/thesaurus/synonyms>.
MLASmart Define. "disused thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/disused/thesaurus/synonyms>