Cos'è death? Cos'è death? The act of dying; termination of life.The state of being dead.The cause of dying: Drugs were the death of him. A manner of dying: a heroine's death. A personification of the destroyer of life, usually represented as a skeleton holding a scythe.Bloodshed; murder.Execution.Law Civil death.The termination or extinction of something: the death of imperialism. at death's door Near to death; gravely ill or injured.be the death of To distress or irritate to an intolerable degree.death on Opposed to or strict about: Our boss is death on casual dressing. put to death To execute.to death To an intolerable degree; extremely: worried to death.