Synonyms|606Antonyms|186|Broader|11Narrower|17Related|521
4
thankless(adjective, unappreciated)
4
unreal(adjective, hopeless, pointless)
4
unsatisfactory(adjective, hopeless, pointless)
4
unserviceable(adjective, useless, impractical, hopeless, unusable)
4
unsuitable(adjective, useless)
4
vacuous
4
void(adjective, inferior, inadequate, limited, feeble)
3
contemptible(adjective, poor, base, inferior, insignificant)
3
delusive(adjective, hopeless, pointless, vain)
3
despicable(adjective, poor, base, inferior, insignificant)
3
foiled(adjective, unsuccessful, arouse bad feelings)
3
frothy
3
frustrated(adjective, unsuccessful, arouse bad feelings)
3
impossible(adjective, desperate, unpromising, unfeasible, irresoluble)
3
inconsequential(adjective, poor, base, value, stupid)
3
inferior(adjective, poor, base, insignificant, inadequate)
3
invalid
3
mediocre(adjective, poor, base, inferior, insignificant)
3
minor
3
nonfunctional(adjective, weak, stupid, idle, useless)
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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>