The number of dead as a result of a war, natural disaster or other incident.

(idiomatic) The alienation of certain people from society to the point of being forgotten, excluded, or ignored in society.

(physics) The state of a thermodynamic system having reached a maximum entropy; temperature is uniform throughout, and no energy is available to do work.

(idiomatic) Extremely frightened

(psychology) A desire, especially subconscious, for the death of oneself or of someone else.

(medicine) An irreversible loss of brain function and cessation of brain activity.

To take part in a battle in which the winner is the sole survivor.

A fight in which there is only one winner, the survivor.

(science fiction) A fictional beam of radiation that can kill.

plural of death ray