thanatos [than-uh-tos, -tohs]
noun
1. an ancient Greek personification of death.
2. Psychoanalysis. (usually lowercase) the death instinct, esp. as expressed in violent aggression.
1. A primitive impulse for destruction, decay, and death, postulated by Sigmund Freud as coexisting with and opposing the life instinct.
2. Death wish.
http://dictionary.reference.com/browse/thanatos Sorry, no sentence this week.