69 entries under rational topic. ×

1
hard-boiled(adjective, calm, tough, sensible, dark)
1
inhibited(adjective, calm, cool, sensible, dark)
1
levelheaded(adjective, calm, quiet, reasonable, moderate)
1
lifeless(adjective, tough, straightforward, sober)
1
lucid(adjective, calm, quiet, reasonable, sensible)
1
naked(adjective, tough, straightforward, sober)
1
no-nonsense(adjective, calm, quiet, reasonable, sensible)
1
peaceful dull(expression, adjective, calm, quiet, reasonable)
1
phlegmatic(adjective, cool, tough, straightforward)
1
practical(adjective, calm, tough, sensible, dark)
1
pragmatic(adjective, tough, straightforward, sober)
1
realistic(adjective, calm, tough, sensible, dark)
1
sensible(adjective, reasonable, moderate, mild, agreeable)
1
serious(adjective, calm, tough, dark, restrained)
1
severe(adjective, calm, quiet, reasonable, sensible)
1
solemn(adjective, calm, quiet, reasonable, sensible)
1
somber(adjective, calm, quiet, reasonable, sensible)
1
sound(adjective, calm, quiet, reasonable, sensible)
1
staid(adjective, calm, quiet, reasonable, sensible)
1
stoic(adjective, tough, straightforward, sober)
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APASmart Define. (2015). unimpassioned thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unimpassioned/thesaurus/synonyms
ChicagoSmart Define. 2015. "unimpassioned thesaurus" https://smartdefine.org/unimpassioned/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unimpassioned thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unimpassioned/thesaurus/synonyms>.
MLASmart Define. "unimpassioned thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/unimpassioned/thesaurus/synonyms>