2
effete
2
exhausted(adjective, hopeless, pointless)
2
flaky(adjective, ridiculous, absurd, pointless, vain)
2
foolish(adjective, dull, simple, slow, silly)
2
idiotic(adjective, dull, simple, slow, silly)
2
ill-advised(dull, unintelligent, witless)
2
inappropriate(adjective, useless, unwise, unwarranted, unnecessary)
2
incompetent(weak, careless, stupid, idle, inadequate)
2
incongruous(adjective, ridiculous, absurd, pointless, vain)
2
inoperable(impractical, hopeless, unusable)
2
irrelevant(adjective, dull, simple, foolish, stupid)
2
lame(inferior, inadequate, limited, feeble, useless)
2
mad(adjective, ridiculous, absurd, pointless, vain)
2
moronic(adjective, dull, simple, slow, foolish)
2
no good(weak, poor, stupid, inferior, idle)
2
no purpose(verb, expression, adjective, arouse bad feelings)
2
nonsensical(adjective, dull, simple, value, foolish)
2
null(inferior, inadequate, limited, feeble, useless)
2
nutty(adjective, ridiculous, absurd, pointless, vain)
2
of no effect(expression, idiom)
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APASmart Define. (2016). futile thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/futile/thesaurus/synonyms
ChicagoSmart Define. 2016. "futile thesaurus" https://smartdefine.org/futile/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, futile thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/futile/thesaurus/synonyms>.
MLASmart Define. "futile thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/futile/thesaurus/synonyms>