Synonyms|618Antonyms|255|Broader|10Narrower|13Related|1.7k
2
unendowed
2
unequipped(adjective, weak, inadequate, unfit, unqualified)
2
unpersuasive(weak, feeble)
2
unpractical(adjective, useless, unfit)
2
unsatisfactory(adjective, weak, poor, inadequate, feeble)
2
unskilful
2
unskillful(adjective, weak, inadequate, feeble, incompetent)
2
unsuited(adjective, weak, inadequate, useless, inappropriate)
2
untenable(adjective, useless, unfit)
1
abandoned(adjective, poor, base, inferior, insignificant)
1
abject(adjective, poor, base, inferior, insignificant)
1
absurd
1
addle
1
anaemic
1
anemic(adjective, dull, light, soft, poor)
1
annulled(adjective, invalid, canceled)
1
anticlimactic(adjective, useless, unpolluted, vain, unsuccessful)
1
armless
1
around in circles(expression, adjective, idiom, silly, stupid)
1
ashen(adjective, dull, light, soft, poor)
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ChicagoSmart Define. 2016. "ineffective thesaurus" https://smartdefine.org/ineffective/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, ineffective thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ineffective/thesaurus/synonyms>.
MLASmart Define. "ineffective thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/ineffective/thesaurus/synonyms>