96 entries under sober topic. ×

6
imperturbable(adjective, calm, cool, cold, cruel)
5
thick-skinned(adjective, hard, cool, tough, severe)
4
objective(adjective, calm, cool, tough, rational)
4
remote(adjective, cool, cold, detached, unfriendly)
4
reserved(adjective, cool, detached, unfriendly, blank)
4
tough(adjective, calm, mean, hard, cool)
4
unexcited(adjective, calm, detached, unfeeling)
3
disinterested(adjective, calm, mean, hard, cool)
3
distant(adjective, cool, detached, unfriendly, blank)
3
toneless(adjective, cool, temper, cold, negative)
3
unaffected(adjective, hard, tough, attitude, temper)
3
unexcitable(adjective, calm, cool, detached, blank)
3
unimpassioned(adjective, cool, tough, rational, straightforward)
2
blank(adjective, person, cool, feelings, detached)
2
calm(adjective, cool, tough, rational, straightforward)
2
composed(adjective, calm, cool, detached, blank)
2
dull(adjective, tough, rational, straightforward)
2
immovable(adjective, cool, detached, blank)
2
matter-of-fact(adjective, cool, cold, cruel, rational)
2
nonemotional(adjective, cool, detached, blank)
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APASmart Define. (2016). cold-blooded thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/cold-blooded/thesaurus/synonyms
ChicagoSmart Define. 2016. "cold-blooded thesaurus" https://smartdefine.org/cold-blooded/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, cold-blooded thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/cold-blooded/thesaurus/synonyms>.
MLASmart Define. "cold-blooded thesaurus" 23 March 2016. Web. 24 September 2026. <https://smartdefine.org/cold-blooded/thesaurus/synonyms>