6
insufficient(adjective, weak, useless, incompetent, hopeless)
6
inutile(adjective, poor, base, stupid, inferior)
6
silly(adjective, stupid, insignificant, useless, senseless)
6
stupid(adjective, dull, silly, insignificant, idle)
6
valueless(adjective, poor, base, value, inferior)
5
absurd(adjective, value, silly, stupid, insignificant)
5
failed(adjective, unsuccessful, arouse bad feelings)
5
good-for-nothing(adjective, weak, poor, base, careless)
5
inadequate(adjective, weak, limited, feeble, useless)
5
sleeveless
5
unrewarding(adjective, flat, difficult, unpleasant, useless)
5
unusable(adjective, weak, poor, base, inferior)
5
unworkable(adjective, stupid, unreasonable, idle, useless)
4
asinine(adjective, silly, ridiculous, absurd, pointless)
4
counterproductive(adjective, poor, base, stupid, inferior)
4
fatuous(adjective, silly, ridiculous, absurd, pointless)
4
inept(weak, stupid, idle, inadequate, feeble)
4
jejune
4
purposeless(adjective, value, stupid, insignificant, idle)
4
small
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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>