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English definition of “irrational”

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irrational

adjective
 
 
/ɪˈræʃənəl/
Irrational feelings and actions are based on your emotions and not on good reasons: irrational behaviour an irrational fear of flyingOf unsound mindStupid and silly
irrationality
 
 
/ɪˌræʃənˈæləti/ noun [U]
irrationally adverb
Translations of “irrational”
in Spanish irracional, absurd…
in Chinese (Traditional) 不理智的,沒有理性的…
in Russian нерациональный…
in Turkish mantıksız, saçma, akla dayanmayan…
in Chinese (Simplified) 不理智的,没有理性的…
in Polish irracjonalny…
(Definition of irrational from the Cambridge Learners Dictionary © Cambridge University Press)
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