60 entries under weak topic. ×

3
not equal to(expression, adjective, idiom, skill)
3
poor(adjective, inadequate, unfit, unqualified)
3
unavailing(adjective, inferior, inadequate, limited)
3
unskillful(adjective, awkward, inadequate, useless)
3
unsuited(adjective, dull, flat, slow)
2
crippled(adjective, helpless, powerless, impotence)
2
feeble(adjective, inferior, inadequate, limited)
2
frail(adjective, helpless, powerless, irresolution)
2
fruitless(adjective, inferior, inadequate, limited)
2
inexperienced(adjective, dull, flat, slow)
2
infirm(adjective, feeble, vulnerable, forlorn)
2
unequipped(adjective, inadequate, useless, unfit)
2
useless(adjective, inferior, inadequate, limited)
1
barren(adjective, inferior, inadequate, limited)
1
butterfingers(adjective, inadequate, unfit, unqualified)
1
forceless(adjective, inferior, inadequate, limited)
1
idle(adjective, inferior, inadequate, limited)
1
indecisive(inferior, inadequate, limited, feeble)
1
inproficient(adjective, inadequate, unfit, unqualified)
1
losing(adjective, inadequate, unfit, unqualified)
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APASmart Define. (2016). unable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unable thesaurus" https://smartdefine.org/unable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, unable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unable/thesaurus/synonyms>.
MLASmart Define. "unable thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/unable/thesaurus/synonyms>