91 entries under impassive topic. ×

6
hard-hearted(adjective, mean, hard, tough, severe)
6
impersonal(adjective, calm, cool, tough, cold)
6
matter-of-fact(adjective, calm, dull, cool, excite)
6
obdurate(adjective, mean, hard, cool, tough)
6
remote(adjective, cool, indifferent, restrained, detached)
6
unimpassioned(adjective, cool, tough, rational, straightforward)
5
dry(adjective, calm, dull, cool, tough)
5
dull(adjective, calm, tough, flat, rational)
5
glacial(adjective, cool, detached, hostile, unfriendly)
5
passive(adjective, calm, dull, flat, indifferent)
5
thick-skinned(adjective, mean, hard, cool, tough)
5
untouched(adjective, mean, hard, cool, cold)
4
blank(adjective, cool, detached, sober, unfeeling)
4
flat(adjective, calm, dull, cool, tough)
4
obtuse(adjective, dull, hard, unfeeling, unsympathetic)
4
sober(adjective, calm, cool, tough, rational)
4
unimpressionable(adjective, hard, detached, unfeeling, unsympathetic)
3
coldhearted(adjective, hard, cold, indifferent, detached)
3
laid-back(adjective, calm, quiet, cool, moderate)
3
lifeless(adjective, calm, dull, tough, flat)
11 years ago|16k views|share |citing 
APASmart Define. (2015). unemotional thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unemotional/thesaurus/synonyms
ChicagoSmart Define. 2015. "unemotional thesaurus" https://smartdefine.org/unemotional/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unemotional thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unemotional/thesaurus/synonyms>.
MLASmart Define. "unemotional thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/unemotional/thesaurus/synonyms>