91 entries under impassive topic. ×

14
stolid(adjective, calm, dull, quiet, cool)
13
passionless(adjective, calm, dull, cool, flat)
13
stony(adjective, mean, hard, cool, tough)
11
unaffected(adjective, hard, tough, attitude, cold)
11
uncompassionate(adjective, calm, dull, mean, hard)
10
composed(adjective, calm, quiet, cool, moderate)
10
heartless(adjective, mean, feeling, hard, cool)
10
listless(adjective, calm, dull, quiet, cool)
10
objective(adjective, calm, tough, fair, indifferent)
9
distant(adjective, cool, indifferent, restrained, detached)
9
hard-boiled(adjective, mean, hard, tough, cold)
8
icy(adjective, mean, hard, cool, tough)
8
undemonstrative(adjective, calm, dull, cool, flat)
8
unexcitable(adjective, calm, dull, quiet, cool)
7
chill(adjective, cool, informal, indifferent, restrained)
7
quiet(adjective, calm, cool, still, detached)
7
reticent(adjective, calm, cool, restrained, detached)
7
stoical(adjective, calm, cool, cold, indifferent)
7
tough(adjective, calm, mean, hard, cool)
6
collected(adjective, calm, quiet, cool, moderate)
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APASmart Define. (2015). unemotional thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unemotional/thesaurus/synonyms
ChicagoSmart Define. 2015. "unemotional thesaurus" https://smartdefine.org/unemotional/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unemotional thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unemotional/thesaurus/synonyms>.
MLASmart Define. "unemotional thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/unemotional/thesaurus/synonyms>