148 entries under casual topic. ×

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unmethodical(careless, arbitrary)
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unobservant(happy-go-lucky, slapdash)
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unperturbed(adjective, calm, cool, relaxed, detached)
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unpremeditated(careless, arbitrary)
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unreflective(happy-go-lucky, slapdash)
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unruffled(adjective, calm, cool, relaxed)
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wasteful(happy-go-lucky, slapdash)
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willy-nilly(careless, arbitrary)
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APASmart Define. (2016). loose thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/loose/thesaurus/synonyms
ChicagoSmart Define. 2016. "loose thesaurus" https://smartdefine.org/loose/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, loose thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/loose/thesaurus/synonyms>.
MLASmart Define. "loose thesaurus" 26 February 2016. Web. 30 September 2026. <https://smartdefine.org/loose/thesaurus/synonyms>