101 entries under impassive topic. ×

3
serene(adjective, calm, sensible, restrained, thoughtful)
3
serious(adjective, calm, tough, plain, dark)
3
steady(adjective, calm, reasonable, sensible, restrained)
3
unidealistic(adjective, hard, sound, tough, reasonable)
2
earnest(adjective, calm, sensible, dark, restrained)
2
earthy(adjective, hard, sound, simple, tough)
2
imperturbable(adjective, calm, sensible, dark, restrained)
2
lucid(adjective, calm, sensible, dark, restrained)
2
sedate(adjective, calm, sensible, dark, restrained)
2
solemn(adjective, calm, sensible, dark, restrained)
2
staid(adjective, calm, sensible, dark, restrained)
2
unconcerned(adjective, calm, restrained, subdued)
2
unexcited(adjective, calm, sensible, dark, restrained)
2
unimaginative(adjective, simple, tough, plain, ordinary)
2
unruffled(adjective, calm, sensible, restrained, thoughtful)
1
abnegating(adjective, calm, sensible, dark, restrained)
1
apathetic(adjective, tough, rational, straightforward, sober)
1
callous(adjective, calm, restrained, sophisticated, cunning)
1
cold(adjective, calm, tough, sensible, dark)
1
cold-blooded(adjective, tough, rational, straightforward, sober)
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APASmart Define. (2016). practical thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/practical/thesaurus/synonyms
ChicagoSmart Define. 2016. "practical thesaurus" https://smartdefine.org/practical/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, practical thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/practical/thesaurus/synonyms>.
MLASmart Define. "practical thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/practical/thesaurus/synonyms>