363 entries under adjective topic. ×

4
demure(calm, cool, excitability, dignified)
4
dignified(calm, cool)
4
frigid(cool, aloof, distant, unexcitable)
4
inexcitable(cool, blank, aloof, unemotional)
4
levelheaded(calm, quiet, cool, moderate)
4
passive(tolerant, enduring, patient)
4
quiescent(calm, quiet, cool, still)
4
reasonable(calm, sensible, restrained, thoughtful)
4
restful(calm, quiet, cool, moderate)
4
self-contained(cool, blank, aloof, unemotional)
4
smooth(calm, quiet, cool, relaxed)
4
smug(calm, cool, collected, unflappable)
4
thick-skinned(calm, cool, restrained, steady)
4
unconcerned(calm, quiet, cool, moderate)
4
untroubled(calm, quiet, cool, moderate)
3
grave(calm, cool, sensible, dark)
3
at ease(expression, calm, relaxed, tranquil)
3
callous(calm, cool, cold, cruel)
3
cold(calm, cool, dark, relaxed)
3
deadpan(blank, unemotional, emotionless, expressionless)
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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>