95 entries under relaxed topic. ×

4
unconcerned(adjective, calm, quiet, cool, moderate)
4
untroubled(adjective, calm, quiet, cool, moderate)
3
at ease(expression, adjective, calm, tranquil)
3
cold(adjective, calm, cool, dark)
3
easy(adjective, calm, cool, still)
3
inscrutable(adjective, quiet, cool, moderate, gentle)
3
laid-back(adjective, calm, quiet, cool, moderate)
3
sensible(adjective, calm, firm, solid)
3
serious(adjective, calm, cool, sensible, dark)
3
together(adjective, calm, quiet, casual)
2
casual(adjective, calm, cool, restrained)
2
insouciant(adjective, calm, cool, casual)
2
neutral(adjective, calm, quiet, cool, moderate)
2
self-assured(adjective, calm, solid, certain)
2
unfeeling(adjective, calm, cool, cold)
1
deliberate(adjective, calm, quiet, cool)
1
possessed(adjective, calm, tranquil, easygoing)
1
amiable(adjective, quiet, cool, moderate, gentle)
1
amicable(adjective, quiet, cool, moderate, gentle)
1
calmed(adjective, calm, tranquil, easygoing)
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APASmart Define. (2015). imperturbable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/imperturbable/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperturbable thesaurus" https://smartdefine.org/imperturbable/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, imperturbable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/imperturbable/thesaurus/synonyms>.
MLASmart Define. "imperturbable thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/imperturbable/thesaurus/synonyms>