noun

• The cessation of life and all associated processes; the end of an organism's existence as an entity independent from its environment and its return to an inert, nonliving state.
• Execution (in the judicial sense).
• (often capitalized) The personification of death as a (usually male) hooded figure with a scythe; the Grim Reaper.
• (preceded by the) The collapse or end of something.
• (figuratively, especially followed by of-phrase) A cause of great stress, exhaustion, embarrassment, or another negative condition (for someone).
• (figurative) Spiritual lifelessness.
• The personification of death, often a skeleton with a scythe, and one of the four horsemen of the apocalypse.