1. a person who spends time thinking about pleasant things instead of paying attention to what is happening around them
Usage: common in everyday speech; often used in educational contexts

Examples

• My little brother is a daydreamer who never finishes his homework on time.
• The teacher called on the daydreamer in the back row, but he wasn't paying attention.
• As a daydreamer, she often imagined herself traveling to exotic places.
• He's such a daydreamer that he walked right past his best friend without noticing.
• The daydreamer stared out the window during the entire math lesson.
• Some people think daydreamers lack focus, but they often have creative imaginations.