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Webster 1913 Edition

Noun.

Want of wisdom; unwise conduct or action; folly; simplicity; ignorance.

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.

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.

lack of wisdom