unwisdom

[ uhn-wiz-duh m ]
/ ʌnˈwɪz dəm /

noun

lack of wisdom; folly; rashness; recklessness: an act of unwisdom.

Origin of unwisdom

before 900; Middle English; Old English unwīsdōm. See un-1, wisdom
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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