Carjackings are a serious crime that involves stealing vehicles from their owners by using force or violence. There are several different synonyms that can be used to describe this type of criminal activity. Some common synonyms for carjacking include auto theft, vehicle hijacking, car theft, car robbery, and grand theft auto. Other related terms include joyriding, car snatching, and vehicle piracy. While all of these terms refer to the illegal act of taking someone's car without their permission, some may be more appropriate in certain contexts than others. Regardless of the term used, carjacking is a dangerous and criminal activity that should be reported to local law enforcement immediately.