89 entries under thoughtless topic. ×

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emotional(impetuous, unwary)
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extemporaneous(impetuous, unwary)
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flaky(silly, foolish, unwise, impetuous)
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gone off deep end(expression, idiom, impetuous, unwary)
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headlong(wild, impetuous, unwary)
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helter-skelter
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hot-and-cold(impetuous, unwary)
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instinctive(impetuous, unwary)
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intuitive(impetuous, unwary)
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involuntary(impetuous, unwary)
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jumping the gun(expression, idiom, impetuous, unwary)
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kooky(wild, silly, foolish, unwise)
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leaving self wide open(expression, idiom, careless, foolish)
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off the deep end(expression, idiom, careless, foolish)
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out of control(expression, adjective, idiom, wild)
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overventuresome
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passionate(impetuous, unwary)
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quick(impetuous, unwary)
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spontaneous(impetuous, unwary)
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sudden(impetuous, unwary)
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APASmart Define. (2015). irresponsible thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/irresponsible/thesaurus/synonyms
ChicagoSmart Define. 2015. "irresponsible thesaurus" https://smartdefine.org/irresponsible/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, irresponsible thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/irresponsible/thesaurus/synonyms>.
MLASmart Define. "irresponsible thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/irresponsible/thesaurus/synonyms>