144 entries under rational topic. ×

8
ruminative(adjective, reasonable, thoughtful, thinking)
7
logical(adjective, good, sound, reasonable, sensible)
7
matter-of-fact(adjective, calm, hard, cool, sound)
7
pragmatic(adjective, hard, sound, tough, reasonable)
6
levelheaded(adjective, calm, good, dull, hard)
6
plain(adjective, calm, dull, tough, soft)
6
prosaic(adjective, hard, sound, tough, moderate)
6
wise(adjective, good, sound, reasonable, smart)
5
balanced(adjective, sound, reasonable, firm, sensible)
5
commonsensical(adjective, good, sound, reasonable, sensible)
5
hardheaded(adjective, hard, sound, reasonable, sharp)
5
no-nonsense(adjective, calm, dull, quiet, cool)
5
together(adjective, good, sound, reasonable, sensible)
5
unimaginative(adjective, quiet, tough, moderate)
5
unimpassioned(adjective, calm, dull, cool, tough)
4
cogitative(adjective, reasonable, keen, deep)
4
cold(adjective, calm, dull, close, cool)
4
flat(adjective, cool, tough, soft, obscure)
4
hard-boiled(adjective, calm, dull, hard, sound)
4
impassive(adjective, calm, cool, tough)
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APASmart Define. (2015). sober thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sober/thesaurus/synonyms
ChicagoSmart Define. 2015. "sober thesaurus" https://smartdefine.org/sober/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, sober thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sober/thesaurus/synonyms>.
MLASmart Define. "sober thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/sober/thesaurus/synonyms>