20 entries under appropriate topic. ×

9
decent(adjective, sufficient, respectable, tolerable)
7
suitable(adjective, awkward, inappropriate)
7
felicitous(adjective, suitable)
7
proper(adjective, suitable, unseemly)
6
fit(adjective, stupid, suitable, ignorant)
5
compatible(adjective, agreeable, improper, harmony)
5
fitting(adjective, suitable, inappropriate)
5
acceptable
5
decorous(adjective, suitable, unfit)
5
relevant(adjective, insignificant, purpose, unrelated)
4
applicable
4
befitting(adjective, wrong)
4
correct(adjective, wrong, false, proper)
4
germane
4
right(adjective, fitting)
3
due(adjective, proper, immoral, settled)
3
harmonious
1
able(adjective, slow, inadequate)
1
just(adjective, suitable)
1
qualified
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APASmart Define. (2016). unsuitable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unsuitable/thesaurus/antonyms
ChicagoSmart Define. 2016. "unsuitable thesaurus" https://smartdefine.org/unsuitable/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, unsuitable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unsuitable/thesaurus/antonyms>.
MLASmart Define. "unsuitable thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/unsuitable/thesaurus/antonyms>