81 entries under quiet topic. ×

2
laid-back(adjective, calm, dull, cool)
2
motionless(adjective, cool, secure, still)
2
pacific(adjective, calm, cool, restrained)
2
patient(adjective, calm, cool, moderate)
2
philosophical(adjective, calm, relaxed, casual)
2
reposing(adjective, cool, still, peaceful)
2
self-possessed(adjective, calm, cool, moderate)
2
slow(adjective, dull, cool, weak)
2
temperate(adjective, calm, cool, moderate)
2
unagitated(adjective, calm, relaxed, restrained)
2
untroubled(adjective, calm, cool, moderate)
1
amiable(adjective, cool, moderate, gentle)
1
amicable(adjective, cool, moderate, gentle)
1
civil(adjective, cool, moderate, gentle)
1
cool-headed(adjective, cool, moderate, gentle)
1
cool as cucumber(expression, adjective, idiom, calm)
1
levelheaded(adjective, calm, cool, moderate)
1
pleased(adjective, cool, moderate, gentle)
1
poised(adjective, cool, moderate, gentle)
1
relaxed(adjective, calm, cool, moderate)
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APASmart Define. (2015). impassive thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/impassive/thesaurus/synonyms
ChicagoSmart Define. 2015. "impassive thesaurus" https://smartdefine.org/impassive/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, impassive thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/impassive/thesaurus/synonyms>.
MLASmart Define. "impassive thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/impassive/thesaurus/synonyms>