510 entries under adjective topic. ×

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excitable(upset, nervous, emotional, volatile)
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fearless(strong, smart, bold, spirited)
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flighty(careless, wild, foolish, stupid)
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gutsy(mad, bold, naughty, impudent)
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harum-scarum(feature, state, violent, careless)
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hectic
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hurried(violent, fast, quick, unthinking)
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impolitic(rude, careless, foolish, thoughtless)
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insane(silly, thoughtless, unwise)
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insouciant(feature, state, neglect, trait)
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loose(careless, wild, foolish, casual)
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nervy(mad, bold, naughty, impudent)
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nonsensical(silly, stupid, crazy, mad)
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offhand(noun, careless, casual, thoughtless)
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precipitant(violent, careless, fast, careful)
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quick(noun, violent, fast, restless)
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quick-tempered(nervous, emotional, restless, fiery)
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rapid(violent, fast, quick, sudden)
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slipshod(careless, casual, happy-go-lucky, arbitrary)
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sloppy(casual, rash, happy-go-lucky, oblivious)
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APASmart Define. (2015). reckless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/reckless/thesaurus/synonyms
ChicagoSmart Define. 2015. "reckless thesaurus" https://smartdefine.org/reckless/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, reckless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/reckless/thesaurus/synonyms>.
MLASmart Define. "reckless thesaurus" 3 August 2015. Web. 23 September 2026. <https://smartdefine.org/reckless/thesaurus/synonyms>