140 entries under useless topic. ×

1
indecisive(adjective, weak, thin, delicate, inferior)
1
inexpedient(inappropriate, unsuitable, unfitting, unsuited)
1
inexperienced(adjective, weak, improper, incompetent)
1
infelicitous(inappropriate, unfit, unsuitable, unacceptable)
1
inharmonious(inappropriate, unhealthy, unsuitable, unacceptable)
1
innocuous(limited, feeble, vain, unsuccessful)
1
kaput(adjective, unfit)
1
mistaken(inappropriate, unhealthy, unsuitable, unlikely)
1
neutralized(limited, feeble, vain, unsuccessful)
1
non-effective(adjective, unfit)
1
non-serviceable(adjective, unfit)
1
noneffective(adjective, unfit)
1
not cut out for(expression, idiom, skill, unable)
1
not fit(expression, inappropriate, unhealthy, unsuitable)
1
null(limited, feeble, vain, unsuccessful)
1
out-of-use(adjective, unfit)
1
out of element(expression, idiom, inappropriate, unhealthy)
1
out of place(expression, adjective, idiom, inappropriate)
1
out of shape(expression, idiom, inappropriate, unhealthy)
1
raw(adjective, poor, unqualified, inept)
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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>