79 entries under impassive topic. ×

4
solemn(adjective, calm, quiet, cool, reasonable)
3
grave(adjective, calm, quiet, cool, reasonable)
3
practical(adjective, calm, sound, reasonable, sensible)
3
soft(adjective, calm, quiet, reasonable, moderate)
3
steady(adjective, calm, quiet, cool, smooth)
3
unstirred(adjective, calm, cold, indifferent, restrained)
2
casual(adjective, calm, cool, mild, relaxed)
2
clear-headed(adjective, calm, quiet, reasonable, sensible)
2
earnest(adjective, calm, quiet, cool, reasonable)
2
easy-going(adjective, calm, restrained, subdued)
2
laid-back(adjective, calm, quiet, cool, moderate)
2
realistic(adjective, calm, sound, reasonable, sensible)
2
stoic(adjective, cool, cold, indifferent, blank)
2
unaffected(adjective, calm, cool, cold, indifferent)
2
unenthusiastic(adjective, calm, restrained, subdued)
1
abnegating(adjective, calm, quiet, reasonable, sensible)
1
abstaining(adjective, calm, quiet, reasonable, sensible)
1
callous(adjective, calm, cool, cold, indifferent)
1
cold(adjective, calm, close, quiet, cool)
1
constrained(adjective, calm, quiet, reasonable, sensible)
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APASmart Define. (2015). collected thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/collected/thesaurus/synonyms
ChicagoSmart Define. 2015. "collected thesaurus" https://smartdefine.org/collected/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, collected thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/collected/thesaurus/synonyms>.
MLASmart Define. "collected thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/collected/thesaurus/synonyms>