8
sedate(adjective, calm, easy, relaxed, comfortable)
8
sober(adjective, calm, easy, relaxed, comfortable)
8
still(adjective, calm, easy, relaxed, peaceful)
8
unflurried(adjective, calm, tranquil, unruffled)
7
nonchalant(adjective, calm, quiet, cool, relaxed)
7
temperate(adjective, calm, quiet, cool, easy)
7
unflappable(adjective, calm, quiet, cool, sound)
6
cool-headed(adjective, tranquil)
6
detached(adjective, calm, cool, relaxed, indifferent)
6
dispassionate(adjective, calm, cool, sound, sensible)
6
even-tempered(adjective, calm, sound, easy, sensible)
6
moderate(adjective, calm, quiet, easy, relaxed)
6
smooth(adjective, calm, quiet, cool, easy)
6
unagitated(adjective, calm, peaceful, unconcerned, tranquil)
6
unstirred(adjective, calm, peaceful, unconcerned, tranquil)
5
halcyon(adjective, calm, quiet, easy, mild)
5
impassive(adjective, calm, cool, relaxed, indifferent)
5
pacific(adjective, calm, quiet, easy, mild)
5
phlegmatic(adjective, indifferent, unsympathetic, inattentive, uninterested)
5
relaxed(adjective, calm, quiet, cool, easy)
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APASmart Define. (2015). unperturbed thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unperturbed/thesaurus/synonyms
ChicagoSmart Define. 2015. "unperturbed thesaurus" https://smartdefine.org/unperturbed/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unperturbed thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unperturbed/thesaurus/synonyms>.
MLASmart Define. "unperturbed thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/unperturbed/thesaurus/synonyms>