неразумный означает в английский

insensate▼(senseless; foolish; irrational)
adjective
[UK: ɪn.ˈsen.seɪt] [US: ɪn.ˈsen.seɪt]

mindless▼(showing a lack of forethought or sense)
adjective
[UK: ˈmaɪnd.lɪs] [US: ˈmaɪnd.ləs]

unreasonable▼(not reasonable)
adjective
[UK: ʌn.ˈriːz.nəb.l̩] [US: ʌn.ˈriːz.nəb.l̩]

unwise▼(not wise)
adjective
[UK: ʌn.ˈwaɪz] [US: ʌˈn.waɪz]