186 entries under relaxed topic. ×

4
secure(verb, adjective, hold, calm, good)
4
serious(adjective, calm, sensible, unusual)
4
soothing(adjective, calm, quiet, weak, smooth)
4
unworried(adjective, feature, state, calm, informal)
4
urbane(adjective, calm, smooth, simple, informal)
3
airy(adjective, feature, state, calm, pleasant)
3
amiable(adjective, calm, quiet, understanding, kind)
3
blase(calm, indifferent, detached, casual)
3
blithe(adjective, feature, state, happy)
3
buoyant(adjective, feature, state, happy)
3
cheerful(adjective, feature, state, kind, pleasant)
3
cheery(adjective, feature, state, happy)
3
easy-going(adjective, feature, state, calm, happy)
3
familiar(adjective, calm, simple, smart, informal)
3
jovial(adjective, feature, state, gentle, happy)
3
lenient(adjective, calm, quiet, weak, kind)
3
light(adjective, feature, state, calm, quiet)
3
lighthearted(adjective, feature, state, happy)
3
negligent(adjective, feature, state, calm)
3
pleasant(adjective, calm, weak, kind, great)
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APASmart Define. (2016). cool thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/cool/thesaurus/synonyms
ChicagoSmart Define. 2016. "cool thesaurus" https://smartdefine.org/cool/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, cool thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/cool/thesaurus/synonyms>.
MLASmart Define. "cool thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/cool/thesaurus/synonyms>