363 entries under adjective topic. ×

12
undisturbed(calm, quiet, cool, moderate)
11
equable(calm, quiet, cool, moderate)
11
quiet(calm, cool, mild, restrained)
10
detached(calm, quiet, cool, moderate)
10
cool-headed(calm, quiet, cool, moderate)
10
patient(calm, quiet, cool, moderate)
10
steady(calm, cool, smooth, firm)
10
unexcitable(calm, quiet, cool, smooth)
9
even(calm, quiet, smooth, firm)
9
unemotional(calm, quiet, cool, moderate)
8
stoical(calm, quiet, cool, gentle)
8
cold-blooded(calm, cool, cold, cruel)
8
indifferent(calm, cool, relaxed, restrained)
8
phlegmatic(calm, quiet, cool, relaxed)
8
temperate(calm, quiet, cool, smooth)
7
apathetic(calm, cool, relaxed, casual)
7
moderate(calm, quiet, cool, gentle)
7
self-controlled(calm, quiet, cool, relaxed)
7
staid(calm, cool, firm, sensible)
7
stolid(calm, quiet, cool, relaxed)
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APASmart Define. (2015). imperturbable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/imperturbable/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperturbable thesaurus" https://smartdefine.org/imperturbable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, imperturbable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/imperturbable/thesaurus/synonyms>.
MLASmart Define. "imperturbable thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/imperturbable/thesaurus/synonyms>