45 entries under rational topic. ×

1
earthy(adjective, tough, true, straightforward)
1
emotionless(adjective, tough, straightforward, sober)
1
feasible(adjective, tough, reasonable, sensible)
1
flat(adjective, simple, tough, clean, plain)
1
hard-boiled(adjective, tough, reasonable, sensible)
1
impassive(adjective, tough, straightforward, sober)
1
impersonal(adjective, tough, straightforward, sober)
1
lifeless(adjective, simple, tough, plain, ordinary)
1
naked(adjective, tough, straightforward, sober)
1
phlegmatic(adjective, tough, straightforward, sober)
1
pragmatic(adjective, tough, reasonable, sensible)
1
prosy(adjective, simple, tough, clean, plain)
1
sensible(adjective, reasonable, solid, physical, material)
1
serious(adjective, tough, straightforward, sober)
1
stoic(adjective, tough, straightforward, sober)
1
stolid(adjective, tough, straightforward, sober)
1
unidealistic(adjective, tough, reasonable, sensible)
1
unimaginative(adjective, simple, tough, plain, ordinary)
1
unimpassioned(adjective, tough, straightforward, sober)
1
unsentimental(adjective, tough, true, straightforward)
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APASmart Define. (2016). factual thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/factual/thesaurus/synonyms
ChicagoSmart Define. 2016. "factual thesaurus" https://smartdefine.org/factual/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, factual thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/factual/thesaurus/synonyms>.
MLASmart Define. "factual thesaurus" 31 March 2016. Web. 27 September 2026. <https://smartdefine.org/factual/thesaurus/synonyms>