3
of no avail(expression, adjective, idiom, empty, worthless)
3
petty
3
stillborn
3
superficial(adjective, empty, worthless, frivolous, ineffective)
3
thwarted(adjective, unsuccessful, arouse bad feelings)
3
trashy(adjective, poor, base, inferior, insignificant)
3
unable(adjective, weak, inferior, inadequate, limited)
3
unessential(adjective, poor, base, inferior, insignificant)
3
unfruitful(adjective, inadequate, feeble, useless, bleak)
3
unnecessary(adjective, stupid, insignificant, useless, extra)
3
unneeded(adjective, casual, useless, extra, worthless)
2
airy
2
batty(adjective, ridiculous, absurd, pointless, vain)
2
brainless(dull, unintelligent, witless)
2
conceited
2
crazy(adjective, ridiculous, absurd, pointless, vain)
2
daft(adjective, silly, ridiculous, absurd, pointless)
2
dazed(dull, unintelligent, witless)
2
dizzy
2
dumb(dull, unintelligent, witless)
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APASmart Define. (2016). futile thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/futile/thesaurus/synonyms
ChicagoSmart Define. 2016. "futile thesaurus" https://smartdefine.org/futile/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, futile thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/futile/thesaurus/synonyms>.
MLASmart Define. "futile thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/futile/thesaurus/synonyms>