3
limp
3
mediocre(adjective, weak, poor, base, inferior)
3
no-account(adjective, poor, base, inferior, insignificant)
3
no go(expression, adjective, useless, unpolluted, vain)
3
nonfunctional(adjective, weak, stupid, idle, useless)
3
senseless
3
stillborn
3
talentless(adjective, educated, overall, well-informed)
3
thin(adjective, dull, light, weak, soft)
3
trashy(adjective, poor, base, inferior, insignificant)
3
unapt(adjective, useless, unfit, impotence)
3
unbeneficial
3
unconvincing(adjective, weak, poor, inadequate, feeble)
3
unessential(adjective, poor, base, inferior, insignificant)
3
unfortunate
3
ungifted(adjective, educated, overall, well-informed)
3
unrewarding(adjective, arouse bad feelings)
3
untalented(adjective, educated, overall, well-informed)
3
wasteful(adjective, incompetent, unproductive)
3
white(adjective, dull, light, soft, poor)
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APASmart Define. (2016). ineffective thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ineffective/thesaurus/synonyms
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>