140 entries under useless topic. ×

4
good-for-nothing(adjective, unfit, impractical, hopeless)
4
ill-suited(adjective, bad, inappropriate, unfit)
4
inapplicable(adjective, inappropriate, unfit, unsuitable)
4
ineligible(adjective, weak, inappropriate, unfit)
4
limited(adjective, close, mean, light, slight)
4
nugatory(adjective, limited, feeble, worthless)
4
unapt(adjective, unfit, unsuitable, inept)
4
unavailing(adjective, weak, inferior, short, limited)
4
unfitted(adjective, unfit, unqualified, deficient)
4
unfruitful(adjective, weak, slight, poor, thin)
4
unsuited(adjective, weak, inappropriate, unhealthy)
3
helpless(adjective, strong, weak, ability, thin)
3
incorrect(adjective, rough, poor, awful, inferior)
3
inexpert(adjective, weak, improper, incompetent)
3
inutile(adjective, unfit, impractical, hopeless)
3
maladroit(adjective, inept, unable, unskilled)
3
nonfunctional(adjective, impractical, hopeless, unusable)
3
unskilled(adjective, weak, unfit, unqualified)
3
unskillful(adjective, weak, unfit, unqualified)
3
untenable(adjective, unfit, unacceptable)
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APASmart Define. (2016). inadequate thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/inadequate/thesaurus/synonyms
ChicagoSmart Define. 2016. "inadequate thesaurus" https://smartdefine.org/inadequate/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, inadequate thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/inadequate/thesaurus/synonyms>.
MLASmart Define. "inadequate thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/inadequate/thesaurus/synonyms>