Synonyms|65Antonyms|0|Broader|0Narrower|0Related|14
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quick(violent, fast, swift, rushed)
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spontaneous(impulsive, rash, unthinking)
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unplanned(impulsive, rash, unthinking)
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unpremeditated(impulsive, rash, unthinking)
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unthinking(violent, fierce, ardent, impulsive, rash)
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APASmart Define. (2013). subitaneous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/subitaneous/thesaurus/synonyms
ChicagoSmart Define. 2013. "subitaneous thesaurus" https://smartdefine.org/subitaneous/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, subitaneous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/subitaneous/thesaurus/synonyms>.
MLASmart Define. "subitaneous thesaurus" 18 May 2013. Web. 21 September 2026. <https://smartdefine.org/subitaneous/thesaurus/synonyms>