59 entries under feeble topic. ×

6
inoperative(adjective, weak, stupid, inferior, idle)
5
good-for-nothing(adjective, weak, poor, base, careless)
5
inadequate(adjective, weak, limited, useless)
4
inept(weak, stupid, idle, inadequate)
4
void(adjective, inferior, inadequate, limited)
3
inferior(adjective, poor, base, insignificant, inadequate)
3
unable(adjective, weak, inferior, inadequate, limited)
3
unfruitful(adjective, inadequate, useless, bleak)
2
incompetent(weak, careless, stupid, idle, inadequate)
2
lame(inferior, inadequate, limited, useless)
2
null(inferior, inadequate, limited, useless)
2
paltry(adjective, poor, base, inferior, insignificant)
2
powerless(insignificant, inadequate, limited, useless)
2
unavailable(stupid, idle, inadequate, useless)
1
aimless(adjective, weak, careless, value, stupid)
1
anticlimactic(inferior, inadequate, limited, useless)
1
defeasible(inferior, inadequate, limited, useless)
1
forceless(inferior, inadequate, limited, useless)
1
fustian(adjective, weak, careless, value, insignificant)
1
indecisive(weak, inferior, inadequate, limited)
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APASmart Define. (2016). futile thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/futile/thesaurus/synonyms
ChicagoSmart Define. 2016. "futile thesaurus" https://smartdefine.org/futile/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, futile thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/futile/thesaurus/synonyms>.
MLASmart Define. "futile thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/futile/thesaurus/synonyms>