748 entries under adjective topic. ×

10
contingent(chance, vague, surprise, possible)
10
laid-back(feature, state, calm, cool)
10
light(feature, state, calm, cool)
10
unceremonious(simple, plain, informal, relaxed)
10
untroubled(feature, state, calm, cool)
9
carefree(feature, state, easy, care)
9
detached(calm, quiet, cool, relaxed)
9
effortless(calm, cool, smooth, easy)
9
fluky(chance, surprise, random, haphazard)
9
loose(calm, clear, open, cool)
9
passing(slight, detail, trivial, quick)
9
uncertain(uncertainty, chance, vague, erratic)
9
uninterested(quiet, relaxed, indifferent, detached)
8
natural(adverb, calm, open, smooth)
8
easy-going(feature, state, calm, easy)
8
heedless(feature, state, careless, trait)
8
impromptu(free, simple, fake, natural)
8
inadvertent(careless, indifferent, surprise, sloppy)
8
lax(feature, state, calm, clear)
8
negligent(feature, state, calm, cool)
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APASmart Define. (2015). casual thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/casual/thesaurus/synonyms
ChicagoSmart Define. 2015. "casual thesaurus" https://smartdefine.org/casual/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, casual thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/casual/thesaurus/synonyms>.
MLASmart Define. "casual thesaurus" 1 December 2015. Web. 28 September 2026. <https://smartdefine.org/casual/thesaurus/synonyms>