copycat
Definitions
A person who imitates or mimics the behavior, dress, or ideas of another.
Something that is a close imitation or reproduction of an original work or product.
Examples
Stop being such a copycat and come up with your own original ideas.
The little boy was a total copycat, mimicking every move his older brother made.
Synonyms
Antonyms
originator innovator pioneer creator trailblazer inventor trendsetter