Definition of unwisdom in English:

unwisdom

noun

mass noun
  • Folly; lack of wisdom.

    ‘it stresses the unwisdom of fathers leaving their children’
    • ‘The rest of us will just have to live with the consequences of his unwisdom, 10 or 20 years down the road.’
    • ‘In his theme for this volume Churchill summarized his interpretation of the war: ‘how the English-speaking peoples through their unwisdom, carelessness, and good nature allowed the wicked to rearm’.’
    • ‘One future admiral, in a moment of youthful unwisdom, had a fox-hunt tattooed down his back, with the fox disappearing into its earth.’
    • ‘Not only are the potentialities of existing law fully extended, but the irresponsibility or unwisdom of the weaker, or the head-strong, judges are held in.’
    • ‘If you'll review the discussion there, you'll see that beginning efforts at probing some of them were taken up before the conversation was waylaid by various imputations of illegitimacy or unwisdom.’

Origin

Old English unwīsdōm (see un-, wisdom).

Pronunciation

unwisdom

/ʌnˈwɪzdəm/