1. silly or foolish; lacking good sense or judgment
Usage: informal

Examples

• She made a featherheaded decision to quit her job without having another one lined up.
• His featherheaded comments during the meeting embarrassed everyone.
• Don’t be so featherheaded about your finances.
• The featherheaded character in the movie provided comic relief.
• Her featherheaded approach to studying resulted in poor grades.
• He dismissed her as featherheaded, but she was actually quite clever.