1. the state or quality of lacking intelligence, good judgment, or common sense; foolishness

Examples

• The witlessness of his decision became apparent when the project failed.
• She was frustrated by the witlessness of the debate participants.
• His witlessness in financial matters led to significant losses.
• The comedy relied on the witlessness of its main character.
• The witlessness of the plan was obvious to everyone except its creator.
• Her witlessness in social situations often embarrassed her friends.