4
candid(adjective, smooth, easy, careless, detached)
4
cheerful(adjective, feature, state, easy, trait)
4
coincidental(adjective, chance, secondary, subsidiary, related)
4
desultory(adjective, slight, irregular, trivial, erratic)
4
discontinuous(erratic, random, haphazard)
4
disinterested(adjective, calm, quiet, cool, relaxed)
4
distant(adjective, quiet, indifferent, detached, aloof)
4
fitful(erratic, random, haphazard)
4
flippant
4
fooling
4
forgetful(adjective, soft, careless, indifferent, tolerant)
4
frank(adjective, clear, open, easy, careless)
4
free-and-easy(adjective, kind, simple, relaxed, familiar)
4
general(simple, soft, slight, detail, trivial)
4
hasty(adjective, slight, detail, indifferent, trivial)
4
homely(adjective, simple, plain, ordinary, familiar)
4
improvised(adjective, free, simple, fake, natural)
4
inconsiderate(adjective, careless, indifferent, insignificant, unimportant)
4
indeterminate(adjective, chance 2)
4
indiscriminate(adjective, careless, chance, erratic, frivolous)
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APASmart Define. (2015). casual thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/casual/thesaurus/synonyms
ChicagoSmart Define. 2015. "casual thesaurus" https://smartdefine.org/casual/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, casual thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/casual/thesaurus/synonyms>.
MLASmart Define. "casual thesaurus" 1 December 2015. Web. 25 September 2026. <https://smartdefine.org/casual/thesaurus/synonyms>