4
disabled(adjective, useless, unfit, impotent)
4
dissatisfactory(adjective, unsatisfactory)
4
found wanting(expression, adjective, idiom, poor, inferior)
4
fragile(adjective, weak, slight, poor, thin)
4
fruitless(adjective, weak, limited, feeble, useless)
4
good-for-nothing(adjective, useless, unfit, impractical, hopeless)
4
ill-suited(adjective, bad, useless, inappropriate, unfit)
4
impaired(adjective, poor, deficient, substandard, broken)
4
inadmissible(adjective, inappropriate, unfit, unsuitable, unacceptable)
4
inapplicable(adjective, useless, inappropriate, unfit, unsuitable)
4
ineligible(adjective, weak, useless, inappropriate, unfit)
4
jejune(adjective, poor, small, insignificant, unimportant)
4
lamentable(adjective, poor, small, insignificant, unimportant)
4
limited(adjective, close, mean, light, slight)
4
mean(adjective, bad, weak, poor, nasty)
4
measly(adjective, mean, light, slight, small)
4
narrow(adjective, close, mean, light, slight)
4
nugatory(adjective, limited, feeble, useless, worthless)
4
patchy(adjective, short, shy, empty, deficient)
4
pitiable(adjective, mean, weak, poor, low)
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APASmart Define. (2016). inadequate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/inadequate/thesaurus/synonyms
ChicagoSmart Define. 2016. "inadequate thesaurus" https://smartdefine.org/inadequate/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, inadequate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/inadequate/thesaurus/synonyms>.
MLASmart Define. "inadequate thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/inadequate/thesaurus/synonyms>