95 entries under weak topic. ×

1
forlorn(adjective, feeble, powerless, impotent)
1
frail(adjective, inadequate, incompetent, inept)
1
glitch(poor, insufficient, scarce)
1
gutless(adjective, inadequate, incompetent, inept)
1
hog-tied(skill, unfit, inept, powerless)
1
imperfect(poor, inadequate, insufficient, deficient)
1
inappreciable(poor, insufficient, scarce)
1
incommensurate(poor, inadequate, insufficient, deficient)
1
inconsiderable(poor, insufficient, scarce)
1
inefficacious(skill, incompetent, unfit, inept)
1
infirm(adjective, hurt, feeble, vulnerable)
1
inoperative(skill, unfit, inept, powerless)
1
insubstantial(poor, insufficient, scarce)
1
lame(hurt, poor, insufficient, weakened)
1
lousy(poor, insufficient, scarce)
1
meager(poor, inadequate, insufficient, deficient)
1
no can do(expression, skill, unfit, inept)
1
no good(expression, skill, unfit, unqualified)
1
not able(expression, skill, unfit, inept)
1
not cut out for(expression, idiom, inadequate, unqualified)
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APASmart Define. (2015). incapable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/incapable/thesaurus/synonyms
ChicagoSmart Define. 2015. "incapable thesaurus" https://smartdefine.org/incapable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, incapable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/incapable/thesaurus/synonyms>.
MLASmart Define. "incapable thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/incapable/thesaurus/synonyms>