333 entries under adjective topic. ×

2
no-good(poor, base, inferior, insignificant)
2
null and void(expression, idiom, inferior, inadequate)
2
pitiful(mean, obscure, low, miserable)
2
sleeveless
2
stupid(silly, insignificant, idle, useless)
2
thin(dull, light, weak, soft)
2
toothless(poor, inadequate, useless, ineffective)
2
unconvincing(weak, poor, thin, delicate)
2
undependable(uncertain, nervous, unstable, hesitant)
2
unreliable(uncertain, nervous, unstable, useless)
2
unrewarding
2
unsatisfactory(poor, inadequate, useless, trivial)
2
waste(poor, base, stupid, inferior)
1
abandoned(poor, base, inferior, insignificant)
1
abject(poor, base, inferior, insignificant)
1
absurd
1
aged(weak, thin, delicate, shaky)
1
ailing(weak, thin, delicate, shaky)
1
anemic(dull, light, soft, poor)
1
anticlimactic(inadequate, limited, feeble, useless)
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APASmart Define. (2016). ineffectual thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/ineffectual/thesaurus/synonyms
ChicagoSmart Define. 2016. "ineffectual thesaurus" https://smartdefine.org/ineffectual/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, ineffectual thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/ineffectual/thesaurus/synonyms>.
MLASmart Define. "ineffectual thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/ineffectual/thesaurus/synonyms>