47 entries under irrational topic. ×

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buggy(adjective, silly, foolish, crazy, mad)
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demented(adjective, wild, silly, foolish, crazy)
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enthusiastic(adjective, keen, warm, silly, foolish)
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gung ho(expression, adjective, keen, warm, silly)
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keen(adjective, warm, silly, foolish, crazy)
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warm(adjective, keen, silly, foolish, crazy)
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zealous(adjective, keen, warm, silly, foolish)
<123>
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APASmart Define. (2015). harebrained thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/harebrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "harebrained thesaurus" https://smartdefine.org/harebrained/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, harebrained thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/harebrained/thesaurus/synonyms>.
MLASmart Define. "harebrained thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/harebrained/thesaurus/synonyms>