ultrarational

/ˌʌltrəˈræʃənəl/
adjective
  1. Extremely or excessively rational; relying on logic and reason to an extreme degree, often ignoring emotions or intuition.
    • The ultrarational plan looked perfect on paper but failed because it didn't account for human behavior.
    • His ultrarational approach to relationships made it hard for him to understand romantic gestures.
    • She admired his ultrarational mind, but sometimes wished he would just trust his gut.
Antonyms
What does "ultrarational" mean? | whatsthatwordmean | whatsthatwordmean