irrational

/ɪˈræʃənəl/ adjective

Definition

› Irrational feelings and actions are based on your emotions and not on good reasons: irrational behaviour an irrational fear of flying

irrationality

/ɪˌræʃənˈæləti/ noun [U] irrationally adverb

(Definition of irrational adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

something which threatens to cause problems or unhappiness in the future

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