1.To assume the character or appearance of, especially fraudulently:impersonate a police officer. 2.To imitate the appearance, voice, or manner of; mimic:an entertainer who impersonates celebrities. im·per′son·a′tionn. im·per′son·a′torn. ...
Indiana U. employee arrested for impersonating IUPD officerSara Amato
The son of a Princeton judge was charged with impersonating a police officer in Pennsylvania but says law enforcement is lying. Police say John Francis McCarthy IV, of Mantoloking, has been a public menace by claiming to be working with law enforcement. But McCarthy says he's been nothing b...