8
unfitted(adjective, useless, unfit, unsuited)
7
discordant(adjective, wrong, false, strange, proper)
7
indelicate(adjective, rude, improper, indecent, incorrect)
7
insufficient(adjective, bad, weak, poor, feeble)
7
undue(adjective, wrong, false, proper, awkward)
7
untoward(adjective, bad, poor, rude, improper)
7
unusable(adjective, useless, unfit)
6
disagreeable(adjective, offensive, proper, improper, inappropriate)
6
disparate(adjective, strange, proper, inappropriate, antagonistic)
6
impracticable(adjective, useless, unfit)
6
incompetent(adjective, useless, immoral, improper, unfit)
6
inconsistent(adjective, strange, proper, remote, inappropriate)
6
mismatched(adjective, wrong, disagreement, strange, fantastic)
6
offensive(adjective, bad, poor, rude, terrible)
6
out of keeping(expression, adjective, idiom, rude, proper)
6
uncalled-for(adjective, wrong, offensive, false, proper)
6
unserviceable(adjective, useless, unfit)
5
awkward(adjective, dull, wrong, flat, slow)
5
faulty(adjective, weak, wrong, false, feeble)
5
ill-advised(wrong, false, awkward, unfitting, inopportune)
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APASmart Define. (2016). unsuitable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unsuitable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsuitable thesaurus" https://smartdefine.org/unsuitable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, unsuitable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unsuitable/thesaurus/synonyms>.
MLASmart Define. "unsuitable thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/unsuitable/thesaurus/synonyms>