1. lacking intelligence or good judgment; silly or scatterbrained
Usage: informal; often used in a lighthearted or mildly critical way

Examples

• She made a featherbrained decision to quit her job without having another one lined up.
• His featherbrained comment during the meeting made everyone laugh.
• I felt featherbrained after forgetting my keys three times in one day.
• That was a featherbrained idea to drive in the snowstorm without checking the weather first.
• He's not really featherbrained; he just wasn't paying attention.