60 entries under weak topic. ×

1
naive(adjective, inadequate, unfit, unqualified)
1
paralyzed(adjective, feeble, vulnerable, forlorn)
1
prostrate(adjective, feeble, vulnerable, forlorn)
1
uncool(adjective, inadequate, unfit, unqualified)
1
unfruitful(adjective, inferior, inadequate, limited)
1
unproductive(adjective, inferior, inadequate, limited)
1
unsuccessful(inferior, inadequate, limited, feeble)
1
vain(inferior, inadequate, limited, feeble)
0
dud(adjective, helpless, powerless)
0
effete(adjective, helpless, powerless)
0
enervated(adjective, helpless, powerless)
0
enfeebled(adjective, helpless, powerless)
0
gutless(adjective, helpless, powerless, incapable)
0
hopeless(useless, incompetent, unqualified, inept)
0
infecund(adjective, helpless, powerless)
0
nerveless(adjective, helpless, powerless)
0
paper tiger(expression, adjective, helpless, powerless)
0
sterile(adjective, helpless, powerless)
0
unimpressive(incompetent, indecisive)
0
vulnerable(adjective, feeble, helpless, powerless)
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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>