sabotage

/ˈsæbətɑːʒ/ noun [U]

Definition

› damage done intentionally to something, for example equipment or a system, that belongs to someone else, so that it cannot be used: The oil giant said it averaged 221 oil spills in recent years, because of aging equipment and sabotage. industrial/economic sabotage

› the act of intentionally trying to stop someone from achieving something or to stop something from developing: To prevent further sabotage of their fraud investigation, FBI agents moved quickly.

(Definition of sabotage noun from the Cambridge Business English Dictionary © Cambridge University Press)