65 entries under unresponsive topic. ×

12
cool(adjective, calm, dull, quiet, easy)
11
dispassionate(adjective, calm, dull, quiet, cool)
9
composed(adjective, calm, quiet, cool, smooth)
8
impassive(adjective, calm, dull, quiet, cool)
8
unemotional(adjective, calm, dull, quiet, cool)
4
apathetic(adjective, calm, dull, cool, flat)
4
cold(adjective, calm, dull, cool, flat)
4
detached(adjective, calm, quiet, cool, moderate)
4
frigid(adjective, calm, dull, flat, detached)
4
stoic(adjective, calm, dull, cool, blank)
4
stolid(adjective, calm, dull, cool, stupid)
3
indifferent(adjective, calm, dull, cool, flat)
3
passionless(adjective, calm, dull, cool, flat)
3
phlegmatic(adjective, calm, dull, cool, detached)
3
quiet(adjective, calm, cool, easy, relaxed)
3
reserved(adjective, cool, detached, blank, aloof)
2
deadpan(adjective, calm, dull, flat, detached)
2
dull(adjective, calm, flat, impassive, unemotional)
2
laid-back(adjective, quiet, cool, moderate, gentle)
2
poker-faced(adjective, calm, cool, detached, blank)
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APASmart Define. (2015). unexcitable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unexcitable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unexcitable thesaurus" https://smartdefine.org/unexcitable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unexcitable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unexcitable/thesaurus/synonyms>.
MLASmart Define. "unexcitable thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unexcitable/thesaurus/synonyms>