3
impoverished(adjective, feature, characteristic, trait)
3
in short supply(expression, adjective, idiom)
3
incorrect(adjective, rough, poor, awful, inferior)
3
inexpert(adjective, weak, useless, improper, incompetent)
3
infertile(adjective, slight, poor, thin, small)
3
inutile(adjective, useless, unfit, impractical, hopeless)
3
light(adjective, weak, soft, slight, gentle)
3
maladroit(adjective, useless, inept, unable, unskilled)
3
minus(adjective, poor, incompetent, insufficient, deficient)
3
modest(adjective, weak, soft, slight, gentle)
3
nonfunctional(adjective, useless, impractical, hopeless, unusable)
3
not up to(expression, adjective, idiom, weak, unfit)
3
odd(unsuitable, unfitting, inopportune)
3
off
3
penniless(adjective, feature, characteristic, trait)
3
short of
3
sparing(adjective, close, light, poor, tight)
3
straitened
3
terrible(sad, unhappy, cheap, worthless, sorrowful)
3
unconvincing(adjective, weak, poor, thin, delicate)
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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>