45 entries under rational topic. ×

9
practical(adjective, hard, sound, tough, reasonable)
9
pragmatic(adjective, hard, sound, reasonable, excite)
8
realistic(adjective, hard, sound, reasonable, sharp)
7
unsentimental(adjective, hard, sound, reasonable, sensible)
6
sober(adjective, hard, sound, reasonable, sharp)
5
matter-of-fact(adjective, hard, sound, reasonable, excite)
5
sensible(adjective, hard, sound, reasonable, sharp)
4
earthy(hard, sound, straightforward, realistic)
4
hard-boiled(adjective, strong, hard, sound, tough)
3
objective(adjective, hard, sound, excite)
3
prosaic(adjective, hard, sound, excite)
2
straight-thinking(straightforward, down-to-earth)
2
unidealistic(adjective, hard, sound, reasonable, sensible)
1
mundane(adjective, reasonable, sensible, straightforward)
1
no-nonsense(adjective, tough, reasonable, sharp, sensible)
1
serious(adjective, strong, hard, tough, severe)
0
apathetic(straightforward, down-to-earth)
0
calm(straightforward, down-to-earth)
0
cold(adjective, strong, straightforward, realistic)
0
cold-blooded(straightforward, down-to-earth)
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APASmart Define. (2015). hardheaded thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/hardheaded/thesaurus/synonyms
ChicagoSmart Define. 2015. "hardheaded thesaurus" https://smartdefine.org/hardheaded/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, hardheaded thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/hardheaded/thesaurus/synonyms>.
MLASmart Define. "hardheaded thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/hardheaded/thesaurus/synonyms>