135 entries under inadequate topic. ×

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enfeebled(adjective, weak, incompetent, helpless)
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faulty(adjective, weak, poor, feeble)
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flabby(adjective, poor, ineffective, ineffectual)
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frail(adjective, weak, incompetent, helpless)
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gutless(adjective, weak, incompetent, helpless)
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handicapped(adjective, poor, ineffective, ineffectual)
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hollow(adjective, poor, ineffective, ineffectual)
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implausible(adjective, poor, thin, false)
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incomplete(adjective, poor, ineffective, ineffectual)
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inconclusive(adjective, poor, ineffective, ineffectual)
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infecund(adjective, weak, incompetent, helpless)
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infirm(adjective, weak, incompetent, helpless)
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invalid(adjective, poor, ineffective, ineffectual)
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nerveless(adjective, weak, incompetent, helpless)
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no go(expression, limited, feeble, useless)
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no way(expression, limited, feeble, useless)
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not effective(expression, limited, feeble, useless)
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paper tiger(expression, adjective, weak, incompetent)
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paralyzed(adjective, weak, incompetent, helpless)
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pathetic(adjective, poor, incompetent, ineffective)
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APASmart Define. (2016). inept thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/inept/thesaurus/synonyms
ChicagoSmart Define. 2016. "inept thesaurus" https://smartdefine.org/inept/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, inept thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/inept/thesaurus/synonyms>.
MLASmart Define. "inept thesaurus" 5 March 2016. Web. 30 September 2026. <https://smartdefine.org/inept/thesaurus/synonyms>