1
feasible(adjective, tough, rational, straightforward, sober)
1
forgoing(adjective, calm, quiet, reasonable, sensible)
1
formal(adjective, unfriendly, unemotional, emotionless, taciturn)
1
frosted
1
frozen
1
glacial(adjective, cool, detached, blank, aloof)
1
grave(adjective, calm, quiet, reasonable, sensible)
1
hard-boiled(adjective, calm, tough, sensible, dark)
1
humdrum
1
impassible
1
in cold blood(expression, adjective, idiom, cool, detached)
1
indifferent(adjective, calm, cool, restrained, detached)
1
inexcitable
1
inhibited(adjective, calm, cool, sensible, dark)
1
insipid
1
insusceptible
1
laid back(expression, adjective, cool, detached, blank)
1
levelheaded(adjective, calm, quiet, reasonable, moderate)
1
lifeless(adjective, tough, rational, straightforward, sober)
1
low-key(adjective, calm, quiet, reasonable, sensible)
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APASmart Define. (2015). unimpassioned thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unimpassioned/thesaurus/synonyms
ChicagoSmart Define. 2015. "unimpassioned thesaurus" https://smartdefine.org/unimpassioned/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unimpassioned thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unimpassioned/thesaurus/synonyms>.
MLASmart Define. "unimpassioned thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/unimpassioned/thesaurus/synonyms>