A copycat is someone who imitates what another person does, often without adding anything original of their own. When a student copies another's art project idea, outfit choice, or way of talking, they're being a copycat. The word usually carries a mildly critical tone, suggesting the person lacks creativity or confidence to do their own thing.

Young children often learn by copying others, which is natural and healthy. As kids grow older, people may admire originality more, and copying can seem less impressive. If your friend starts wearing the same unusual sneakers as you, joins the same club you joined, and even orders the same lunch every day, you might feel annoyed that they're being such a copycat.

The term can also describe criminals who imitate other criminals' methods. Police investigating a copycat crime look for someone who's mimicking another criminal's signature style.

In nature, scientists use copycat to describe animals that mimic others for survival. Some harmless butterflies have evolved to look like poisonous ones, becoming copycats that predators avoid.

Learning from others is valuable, but directly copying without acknowledgment or personal creativity can earn the label of copycat. The key is to let others inspire you while still developing your own style and ideas.