Fatuousness

Pronunciation: /ˈfætʃəwəsˈnɛs/

Fatuousness (noun)

  1. The quality of being foolish in a way that shows poor judgment or lack of serious thinking.
  2. The state of acting confident or important while your ideas are actually weak or unreasonable.

Examples

  • Her fatuousness made the plan fail quickly.
  • The fatuousness of his comments surprised everyone.