152 entries under impassive topic. ×

7
tepid(adjective, calm, temper, negative, restrained)
6
calm(adjective, cool, tough, relaxed, indifferent)
6
hard-boiled(adjective, calm, hard, tough, harsh)
6
listless(adjective, calm, dull, cool, flat)
6
matter-of-fact(adjective, calm, cool, cruel, rational)
6
thick-skinned(adjective, calm, hard, cool, tough)
6
unaffected(adjective, hard, tough, attitude, temper)
6
uncompassionate(adjective, calm, dull, mean, hard)
6
undemonstrative(adjective, calm, dull, cool, flat)
5
inhibited(adjective, calm, close, quiet, cool)
5
somber(adjective, calm, dull, bad, soft)
5
stoic(adjective, calm, cool, tough, indifferent)
5
stolid(adjective, calm, cool, tough, indifferent)
5
unsentimental(adjective, tough, rational, straightforward, sober)
4
dry(adjective, calm, cool, tough, rational)
4
objective(adjective, cool, tough, fair, indifferent)
4
restrained(adjective, calm, close, quiet, gentle)
4
unexcitable(adjective, calm, dull, cool, flat)
4
unimpassioned(adjective, calm, cool, tough, dark)
3
blank(adjective, cool, detached, sober, unfeeling)
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APASmart Define. (2016). cold thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/cold/thesaurus/synonyms
ChicagoSmart Define. 2016. "cold thesaurus" https://smartdefine.org/cold/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, cold thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/cold/thesaurus/synonyms>.
MLASmart Define. "cold thesaurus" 3 April 2016. Web. 23 September 2026. <https://smartdefine.org/cold/thesaurus/synonyms>