carjackingPronunciation: /ˈkɑːdʒakɪŋ/Translate carjacking | into French | into Italian Definition of carjacking noun [mass noun] the action of violently stealing an occupied car: carjacking is a big worry [count noun]:the victim of a carjackingDerivatives carjack verb carjacker noun Origin: 1990s: blend of car and hijackingcarjacking in other Oxford dictionaries Definition of carjacking in the US English dictionary