74 entries under sober topic. ×

2
flat(adjective, cool, tough, rational, straightforward)
2
immovable(adjective, cool, detached, blank)
2
impersonal(adjective, cool, tough, rational, straightforward)
2
mundane(adjective, tough, rational, straightforward)
2
nonemotional(adjective, cool, detached, blank)
2
objective(adjective, tough, rational, straightforward)
2
plain(adjective, calm, tough, dark, restrained)
2
prosaic(adjective, tough, rational, straightforward)
2
prosy(adjective, tough, rational, straightforward)
2
undemonstrative(adjective, cool, detached, unfriendly, blank)
2
unembellished(adjective, tough, rational, straightforward)
2
unidealistic(adjective, tough, rational, straightforward)
2
unimaginative(adjective, tough, rational, straightforward)
1
abstaining(adjective, calm, quiet, reasonable, sensible)
1
apathetic(adjective, tough, rational, straightforward, unfriendly)
1
blank(adjective, cool, detached, unfeeling)
1
clear-headed(adjective, calm, quiet, reasonable, sensible)
1
cold fish(expression, adjective, calm, cool, restrained)
1
cool cat(expression, adjective, cool, detached, blank)
1
deadpan(adjective, cool, tough, rational, straightforward)
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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>