98 entries under relaxed topic. ×

5
neutral(adjective, calm, cool, cold)
5
unflappable(adjective, calm, cool, attitude)
4
blase(adjective, calm, cool, cold)
4
cheerful(adjective, feature, state, keen, happy)
4
effortless(adjective, calm, cool, detached)
4
mild(adjective, feature, state, trait)
4
tranquil(adjective, feature, state, mild)
3
cheery(adjective, feature, state, keen, happy)
3
jovial(adjective, feature, state, keen, happy)
3
laid back(expression, adjective, feature, state, calm)
3
radiant(adjective, feature, state, happy)
3
smooth(adjective, calm, cool, detached)
3
undemanding(adjective, feature, state, mild)
3
unexcited(adjective, calm, cool, detached)
3
unruffled(adjective, calm, cool, indifferent)
2
at ease(expression, adjective, happy, cheerful)
2
collected(adjective, calm, cool, mild)
2
complacent(mild, tolerant, laid-back, permissive)
2
imperturbable(adjective, calm, cool, casual)
2
lazy(mild, tolerant, laid-back, permissive)
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APASmart Define. (2015). insouciant thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/insouciant/thesaurus/synonyms
ChicagoSmart Define. 2015. "insouciant thesaurus" https://smartdefine.org/insouciant/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, insouciant thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/insouciant/thesaurus/synonyms>.
MLASmart Define. "insouciant thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/insouciant/thesaurus/synonyms>