172 entries under calm topic. ×

14
cold(adjective, hard, cool, tough)
14
detached(adjective, quiet, cool, moderate)
14
unfeeling(adjective, hard, cool, tough)
13
frigid(adjective, cool, temper, cold)
13
placid(adjective, quiet, cool, moderate)
13
poker-faced(adjective, dull, cool, indifferent)
13
unresponsive(adjective, dull, hard, careless)
12
cold-blooded(adjective, hard, cool, tough)
12
sedate(adjective, quiet, cool, moderate)
12
stoical(adjective, cool, cold, indifferent)
12
tranquil(adjective, quiet, cool, relaxed)
11
disinterested(adjective, quiet, cool, moderate)
11
unflappable(adjective, quiet, cool, moderate)
10
dry(adjective, dull, cool, tough)
10
passionless(adjective, dull, cool, slow)
9
incurious(adjective, hard, cool, relaxed)
9
lackadaisical(adjective, dull, cool, weak)
9
lethargic(adjective, dull, weak, easy)
9
reserved(adjective, cool, indifferent, restrained)
8
collected(adjective, quiet, cool, moderate)
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APASmart Define. (2015). impassive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/impassive/thesaurus/synonyms
ChicagoSmart Define. 2015. "impassive thesaurus" https://smartdefine.org/impassive/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, impassive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/impassive/thesaurus/synonyms>.
MLASmart Define. "impassive thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/impassive/thesaurus/synonyms>