5
impractical(adjective, useless, unfit, hopeless, unusable)
5
improper(adjective, useless, inappropriate, incorrect, unfit)
5
pale(adjective, dull, light, soft, poor)
5
petty(adjective, mean, light, moving, slight)
5
piddling(adjective, poor, quantity, modest, meager)
5
powerless(adjective, strong, weak, ability, thin)
5
puny(adjective, mean, light, weak, moving)
5
shoddy(adjective, mean, weak, poor, miserable)
5
slender(adjective, close, light, slight, poor)
5
tight(adjective, poor, small, insignificant, unimportant)
5
trivial(adjective, mean, light, weak, soft)
5
unfinished(adjective, rough, poor, deficient, imperfect)
5
unserviceable(adjective, useless, unfit, impractical, hopeless)
5
unusable(adjective, useless, unfit, impractical, hopeless)
4
below par(expression, adjective, idiom, weak, poor)
4
blemished(adjective, imperfect)
4
bootless(adjective, limited, feeble, useless, impractical)
4
contemptible(adjective, mean, weak, poor, nasty)
4
damaged(adjective, bad, poor, offensive, cheap)
4
derisory(adjective, mean, poor, miserable, short)
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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>