Synonyms|41Antonyms|2|Broader|0Narrower|0Related|0
1
bad(adjective, useless, unfit)
1
disabled(adjective, useless, unfit)
1
disused(adjective, useless, unfit)
1
dull(adjective, useless, unfit)
1
faulty(adjective, useless, unfit)
1
good-for-nothing(adjective, useless, unfit)
1
good for nothing(adjective, useless, unfit)
1
ill-suited(adjective, useless, unfit)
1
impracticable(adjective, useless, unfit)
1
impractical(adjective, useless, unfit)
1
improper(adjective, useless, unfit)
1
inadaptable(adjective, useless, unfit)
1
inadequate(adjective, useless, unfit)
1
inapplicable(adjective, useless, unfit)
1
inappreciable(adjective, useless, unfit)
1
inappropriate(adjective, useless, unfit)
1
incapable of(adjective, useless, unfit)
1
incapacitated(adjective, useless, unfit)
1
incompetent(adjective, useless, unfit)
1
ineffective(adjective, useless, unfit)
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APASmart Define. (2016). non-effective thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/non-effective/thesaurus/synonyms
ChicagoSmart Define. 2016. "non-effective thesaurus" https://smartdefine.org/non-effective/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, non-effective thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/non-effective/thesaurus/synonyms>.
MLASmart Define. "non-effective thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/non-effective/thesaurus/synonyms>