154 entries under cool topic. ×

43
indifferent(adjective, calm, dull, hard)
33
stoic(adjective, calm, dull, tough)
31
apathetic(adjective, calm, dull, hard)
28
stolid(adjective, calm, dull, quiet)
23
dispassionate(adjective, calm, quiet, moderate)
23
calm(adjective, quiet, tough, relaxed)
22
unemotional(adjective, calm, dull, quiet, hard)
20
phlegmatic(adjective, calm, dull, quiet)
20
unconcerned(adjective, calm, dull, quiet, hard)
19
unmoved(adjective, calm, quiet, moderate)
18
aloof(adjective, calm, quiet, hard)
18
deadpan(adjective, calm, tough, cold)
18
emotionless(adjective, calm, dull, tough)
18
uncaring(adjective, cold, attitude, careless, indifferent)
17
insensible(adjective, dull, hard, slow)
17
listless(adjective, calm, dull, quiet)
17
nonchalant(adjective, calm, quiet, temper)
16
imperturbable(adjective, calm, quiet, moderate)
15
callous(adjective, calm, hard, cold)
15
composed(adjective, calm, quiet, moderate)
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APASmart Define. (2015). impassive thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/impassive/thesaurus/synonyms
ChicagoSmart Define. 2015. "impassive thesaurus" https://smartdefine.org/impassive/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, impassive thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/impassive/thesaurus/synonyms>.
MLASmart Define. "impassive thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/impassive/thesaurus/synonyms>