54 entries under foolish topic. ×

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impractical(adjective, careless, stupid, thoughtless)
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inappropriate(rash, risky, imprudent, misguided)
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inept(incompetent, rash, risky, wasteful)
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misguided(rash, risky, imprudent, injudicious)
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naive(rash, risky)
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risky
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senseless(rash, risky)
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stupid(adjective, careless, thoughtless, rash)
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undesirable(rash, risky)
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unfortunate(rash, risky)
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unintelligent(rash, risky)
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unsagacious(adjective, careless, stupid, thoughtless)
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unsound(rash, risky)
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witless(rash, risky)
<123>
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APASmart Define. (2015). improvident thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/improvident/thesaurus/synonyms
ChicagoSmart Define. 2015. "improvident thesaurus" https://smartdefine.org/improvident/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, improvident thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/improvident/thesaurus/synonyms>.
MLASmart Define. "improvident thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/improvident/thesaurus/synonyms>