1. a frivolous, flighty, or excessively talkative person
Usage: informal; often used to describe someone who chatters constantly

Examples

• My sister is such a flibbertigibbet, always jumping from topic to topic.
• The teacher called him a flibbertigibbet because he couldn’t sit still during class.
• Don’t be such a flibbertigibbet and focus on what I’m saying.
• She dismissed her critics as flibbertigibbets who didn’t understand serious issues.
• The old woman complained about the flibbertigibbet next door who talked nonstop.
• He’s not a flibbertigibbet; he just gets excited when discussing his hobbies.