Euthanasia

Euthanasia, Involuntary; Involuntary Euthanasia; Killing, Mercy; Killings, Mercy; Mercy Killings
The act or practice of killing or allowing death from natural causes, for reasons of mercy, i.e., in order to release a person from incurable disease, intolerable suffering, or undignified death. (from Beauchamp and Walters, Contemporary Issues in Bioethics, 5th ed)