5
relevant(adjective, appropriate, insignificant, purpose, unrelated)
5
seasonable(adjective, unseasonable)
4
applicable(adjective, appropriate)
4
apposite
4
befitting(adjective, wrong, appropriate)
4
congruous(adjective, suitable, corresponding)
4
consistent(adjective, unreasonable, dishonest, compatible, agreeing)
4
correct(adjective, wrong, appropriate, false, proper)
4
desirable
4
germane(adjective, appropriate)
4
good
4
right(adjective, appropriate, fitting)
4
satisfactory(adjective, bad, acceptable, sufficient, unsatisfactory)
4
seemly
4
symbiotic
4
timely
3
apropos(adjective, suitable, relevant)
3
competent(adjective, insufficient, inept)
3
due(adjective, appropriate, proper, immoral, settled)
3
harmonious(adjective, appropriate)
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APASmart Define. (2016). unsuitable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unsuitable/thesaurus/antonyms
ChicagoSmart Define. 2016. "unsuitable thesaurus" https://smartdefine.org/unsuitable/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, unsuitable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unsuitable/thesaurus/antonyms>.
MLASmart Define. "unsuitable thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/unsuitable/thesaurus/antonyms>