125 entries under relaxed topic. ×

6
incurious(adjective, calm, cool, careless)
6
pococurante(adjective, manner, laid-back, nonchalant)
6
remote(adjective, quiet, cold, indifferent)
6
withdrawn(adjective, indifferent, detached, aloof)
5
blasé(adjective, calm, cool, indifferent)
5
dispassionate(adjective, calm, cool, indifferent)
5
permissive(adjective, feature, state, soft, mild)
4
disinterested(adjective, calm, quiet, cool)
4
free-and-easy(adjective, kind, simple, familiar)
4
low-pressure(adjective, simple, easy, mild)
4
mellow(adjective, calm, cool, simple, plain)
4
quiet(adjective, feature, state, calm, informal)
4
smooth(adjective, calm, cool, pleasant, easy)
4
tolerant(adjective, feature, state, open, soft)
4
tranquil(adjective, feature, state, calm, informal)
4
unfussy(adjective, simple, easy, plain)
3
mild(adjective, feature, state, calm, weak)
3
colloquial(adjective, simple, ordinary, familiar)
3
comfortable(adjective, easy, familiar, unhurried)
3
homey(adjective, simple, familiar, straightforward)
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APASmart Define. (2015). casual thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/casual/thesaurus/synonyms
ChicagoSmart Define. 2015. "casual thesaurus" https://smartdefine.org/casual/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, casual thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/casual/thesaurus/synonyms>.
MLASmart Define. "casual thesaurus" 1 December 2015. Web. 30 September 2026. <https://smartdefine.org/casual/thesaurus/synonyms>