Synonyms|1.2kAntonyms|358|Broader|14Narrower|3Related|971
17
feeble(adjective, strong, fit, slow, inadequate)
12
inept(adjective, slow, inadequate, expert, incompetent)
11
unable(adjective, strong, fit, slow, skill)
9
powerless(adjective, weak, slow, powerful, inadequate)
7
weak(adjective, firm, slow, powerful, healthy)
6
not good
5
sub-par
5
useless(adjective, slow, inadequate)
4
delicate(adjective, slow, inadequate)
4
incompetent(adjective, strong, qualified, unable, unskillful)
4
ineffective(adjective, strong, fit, slow, inadequate)
4
jejune
3
stupid(adjective, slow, inadequate)
3
amateurish
3
fatuous
3
incapable(adjective, strong, fit)
3
infirm(adjective, slow, inadequate)
3
subpar
3
timid(strong, bold)
3
unqualified(adjective, suitable)
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ChicagoSmart Define. 2016. "able thesaurus" https://smartdefine.org/able/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, able thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/able/thesaurus/antonyms>.
MLASmart Define. "able thesaurus" 14 March 2016. Web. 21 September 2026. <https://smartdefine.org/able/thesaurus/antonyms>