47 entries under feeble topic. ×

2
nugatory(adjective, inferior, inadequate, limited)
2
weak(adjective, inferior, short, inadequate)
1
anticlimactic(inferior, inadequate, limited, useless)
1
defeasible(inferior, inadequate, limited, useless)
1
feckless(inferior, inadequate, limited, useless)
1
forceless(adjective, inferior, inadequate, limited)
1
inadequate(adjective, weak, inferior, short, limited)
1
indecisive(weak, inferior, inadequate, limited)
1
inept(weak, poor, awkward, inadequate, limited)
1
inferior(inadequate, limited, useless, vain)
1
innocuous(inferior, inadequate, limited, useless)
1
limited(inferior, inadequate, useless, vain)
1
neutralized(inferior, inadequate, limited, useless)
1
null(adjective, inferior, inadequate, limited)
1
null and void(expression, adjective, idiom, inferior, inadequate)
1
paltry(inferior, inadequate, limited, useless)
1
powerless(inadequate, limited, useless, vain)
1
spineless(inferior, inadequate, limited, useless)
1
unable(weak, inferior, inadequate, limited)
1
unavailable(inadequate, limited, product, useless)
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APASmart Define. (2016). unsuccessful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unsuccessful/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsuccessful thesaurus" https://smartdefine.org/unsuccessful/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unsuccessful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unsuccessful/thesaurus/synonyms>.
MLASmart Define. "unsuccessful thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/unsuccessful/thesaurus/synonyms>