1. in a way that shows poor judgment or lack of wisdom

Examples

• He foolishly spent all his savings on lottery tickets.
• She foolishly ignored the weather warnings and went hiking.
• The driver foolishly tried to pass on a blind curve.
• They foolishly believed the too-good-to-be-true offer.
• I foolishly forgot to save my work before the computer crashed.
• The team foolishly celebrated before the game was over.