2
disallowed
2
disappointing
2
disgraceful(unfit, worthless, unworthy, undeserving)
2
displeasing(adjective, bad, poor, offensive, inadequate)
2
dissatisfactory(adjective, unsatisfactory)
2
divergent(adjective, wrong, strange, improper, odd)
2
dull(adjective, flat, slow, stupid, awkward)
2
extraneous(adjective, strange, irregular, improper, remote)
2
false(adjective, wrong, awkward, inadequate, irregular)
2
forbidden
2
haywire
2
hopeless(adjective, bad, poor, awkward, inappropriate)
2
ignominious
2
ill-adapted(adjective, dull, flat, slow, awkward)
2
ill-considered
2
ill-sorted
2
illegal(adjective, unreasonable, improper, unwarranted, unnecessary)
2
imperfect
2
impolite(adjective, offensive, rude, fresh, bold)
2
in bad taste(expression, adjective, idiom)
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APASmart Define. (2016). unsuitable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unsuitable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsuitable thesaurus" https://smartdefine.org/unsuitable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, unsuitable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unsuitable/thesaurus/synonyms>.
MLASmart Define. "unsuitable thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/unsuitable/thesaurus/synonyms>