From Old English unwīsdōm, corresponding to un- + wisdom.
unwisdom (countable and uncountable, plural unwisdoms)
- Lack of wisdom; unwise conduct or action; ignorance, stupidity. [from 9th c.]
- Sumptuary laws are among the exploded fallacies which we have outgrown, and we smile at the unwisdom which could except to regulate private habits and manners by statute - J. A. Froude
- 2010, Christopher Hitchens, Hitch-22, Atlantic 2011, p. 151:
- Reporting from Vietnam in 1945, he may have been the first person to assert the extreme unwisdom of trying to restore French colonialism with British troops.