zombie

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun In voodoo belief and popular folklore, a corpse that has been reanimated, especially by means of a supernatural power or spell.
• noun One who looks or behaves like an automaton.
• noun A computer connected to the internet and controlled by a remote unauthorized user to perform malicious tasks, without the owner being aware.
• noun A bank or business that cannot meet its financial obligations or make new loans but has been allowed to continue operating by the government.
• noun A snake god of voodoo cults in West Africa, Haiti, and the southern United States.
• noun A tall mixed drink made of various rums, liqueur, and fruit juice.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A snake god or fetish in religions of West Africa and elsewhere.
• noun A person, usually undead, animated by unnatural forces (such as magic), with no soul or will of his/her own.
• noun fiction, horror A deceased person who becomes reanimate to attack the living.
• noun figuratively An apathetic person.
• noun figuratively A human being in a state of extreme mental exhaustion.
• noun computing A process or task which has terminated but was not removed from the list of processes, typically because it has child processes that have not yet terminated.
• noun computing A computer affected by malware which causes it to do whatever the attacker wants it to do without the user's knowledge.
• noun A cocktail of rum and fruit juices.
• noun philosophy A hypothetical person who lacks self awareness.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a god of voodoo cults of African origin worshipped especially in West Indies
• noun a dead body that has been brought back to life by a supernatural force
• noun (voodooism) a spirit or supernatural force that reanimates a dead body
• noun several kinds of rum with fruit juice and usually apricot liqueur
• noun someone who acts or responds in a mechanical or apathetic way