2
not helpful
2
poor
2
unapt
2
unequal
2
unhappy
2
unsatisfactory
2
untrained
1
baneful
1
unsuited(adjective, inappropriate)
1
amiss
1
awkward(adjective, inappropriate)
1
bad
1
beginning
1
blue(adjective, decency, cleanliness)
1
capricious
1
counteractive
1
deficient
1
discrepant
1
green
1
impertinent
11 years ago|5.1k views|share |citing 
APASmart Define. (2015). suitable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/suitable/thesaurus/antonyms
ChicagoSmart Define. 2015. "suitable thesaurus" https://smartdefine.org/suitable/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, suitable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/suitable/thesaurus/antonyms>.
MLASmart Define. "suitable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/suitable/thesaurus/antonyms>