6
inapt(adjective, weak, ability, poor, insufficient)
6
insufficient(adjective, weak, poor, inadequate, adequate)
6
unfitted(adjective, weak, inadequate, useless, incompetent)
6
unsatisfactory(adjective, poor, inadequate, unfit, deficient)
5
disqualified(adjective, inadequate, useless, adequate, incompetent)
5
ineligible(adjective, inadequate, useless, adequate, incompetent)
5
inexperienced(adjective, inadequate, useless, adequate, incompetent)
4
bungling(adjective, inadequate, useless, incompetent, unqualified)
4
idiot
4
imbecile
4
not up to(expression, adjective, idiom, weak, inadequate)
4
poor(adjective, weak, low, short, inadequate)
4
unsuitable
4
useless(adjective, inadequate, incompetent, unqualified, inept)
3
clumsy(adjective, weak, inadequate, useless, incompetent)
3
crippled(adjective, hurt, weak, inadequate, inept)
3
deficient(adjective, poor, inadequate, insufficient, scarce)
3
feckless(adjective, dull, weak, little)
3
hopeless(adjective, useless, incompetent, unqualified, inept)
3
naive(adjective, adequate, unqualified, unable, helpless)
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APASmart Define. (2015). incapable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/incapable/thesaurus/synonyms
ChicagoSmart Define. 2015. "incapable thesaurus" https://smartdefine.org/incapable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, incapable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/incapable/thesaurus/synonyms>.
MLASmart Define. "incapable thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/incapable/thesaurus/synonyms>