Assassin: Directed by Jesse Atlas. With Andy Allo, Nomzamo Mbatha, Bruce Willis, Dominic Purcell. A man dies as part of an experimental military program. A former black-ops soldier takes his place to find who killed him. The Assassin is a British crime thriller television series created by Harry and Jack Williams for Amazon Prime Video, ZDF and Stan. It stars Keeley Hawes and Freddie Highmore. The word assassin, pronounced uh-SASS-in, describes a person who murders a prominent person, like a political or religious leader. Often, this person is hired to kill, though he or she might act on personal motivations. The meaning of ASSASSIN is a person who commits murder; especially : one who murders a politically prominent person either for money or from fanatical adherence to a cause. Acts of assassination have been performed since ancient times. A person who carries out an assassination is called an assassin. [4] A retired assassin reunites with her estranged son, but her dangerous past catches up with them, forcing them to go on the run together while uncovering a dark conspiracy that threatens their relationship. ASSASSIN definition: 1. someone who kills a famous or important person, usually for political reasons or in exchange for…. Learn more.