15 entries under inadequate topic. ×

17
feeble(adjective, strong, fit, slow)
12
inept(adjective, slow, expert, incompetent)
11
unable(adjective, strong, fit, slow, skill)
9
powerless(adjective, weak, slow, powerful)
7
weak(adjective, firm, slow, powerful, healthy)
5
useless(adjective, slow)
4
delicate(adjective, slow)
4
ineffective(adjective, strong, fit, slow)
3
stupid(adjective, slow)
3
infirm(adjective, slow)
3
unskilled(adjective, slow)
1
unintelligent(adjective, slow)
1
unsuitable(adjective, appropriate, slow)
0
disinclined(adjective, slow)
0
slow
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APASmart Define. (2016). able thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/able/thesaurus/antonyms
ChicagoSmart Define. 2016. "able thesaurus" https://smartdefine.org/able/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, able thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/able/thesaurus/antonyms>.
MLASmart Define. "able thesaurus" 14 March 2016. Web. 25 September 2026. <https://smartdefine.org/able/thesaurus/antonyms>