"Shadowrun" is a term used to describe a role-playing game where players take on the roles of "shadowrunners," covert operatives who carry out espionage, theft, and other shady activities. Some synonyms for "shadowrun" include covert operation, espionage, black ops, clandestine mission, and undercover job. These terms all relate to activities that involve stealth, secrecy, and deception. Other related terms might include spy games, stealth missions, tactical operations, and covert ops. Whatever term you use, "shadowrun" and its synonyms all suggest exciting and dangerous adventures in the world of espionage and covert operations.