99 entries under cool topic. ×

8
unconcerned(adjective, feature, state, calm, quiet)
7
sedate(adjective, calm, quiet, moderate)
7
airy(adjective, feature, state, calm)
7
indifferent(adjective, feature, state, calm)
7
unflappable(adjective, calm, quiet, moderate)
6
negligent(adjective, feature, state, calm)
6
collected(adjective, calm, quiet, moderate)
6
dispassionate(adjective, calm, quiet, moderate)
6
mellow(adjective, calm, simple, easy)
6
offhand(adjective, calm, mild, cheerful)
6
placid(adjective, calm, quiet, moderate)
6
restful(adjective, calm, quiet, secure)
6
unruffled(adjective, calm, quiet, moderate)
5
amiable(adjective, calm, quiet, smooth)
5
inactive(adjective, quiet, slow, indifferent)
5
slow(adjective, calm, quiet, light)
5
unperturbed(adjective, calm, quiet, easy)
4
aloof(adjective, calm, quiet, moderate)
4
detached(verb, adjective, calm, quiet, clear)
4
imperturbable(adjective, calm, quiet, moderate)
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APASmart Define. (2016). relaxed thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/relaxed/thesaurus/synonyms
ChicagoSmart Define. 2016. "relaxed thesaurus" https://smartdefine.org/relaxed/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, relaxed thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/relaxed/thesaurus/synonyms>.
MLASmart Define. "relaxed thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/relaxed/thesaurus/synonyms>