Zombie

Noun

 * 1)  A human being in a state of extreme mental exhaustion.
 * 2) A snake god or fetish in religions of West Africa and elsewhere.
 * 3)  A person, usually undead, animated by unnatural forces (such as magic), with no soul or will of his/her own.
 * 4)  A deceased person who becomes reanimate to attack the living.
 * 5)  An apathetic person.
 * 6) An information worker who has signed a nondisclosure agreement.
 * 7)  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.
 * 8)  A computer affected by malware which causes it to do whatever the attacker wants it to do without the user's knowledge.
 * 9) A cocktail of rum and fruit juices
 * 10)  Nickname for a conscripted member of the Canadian military during World War II who was assigned to home defence rather than to combat in Europe.
 * 11)  A hypothetical person who lacks self awareness.

Thesaurus
moron, nitwit, oaf, oddball, oddity, oni, original, phantasm, phantasma, phantom, poltergeist, presence, quiz, revenant, shade, shadow, shape, shrouded spirit, specter, spectral ghost, spirit, spook, sprite, theophany, unsubstantiality, vision, walking dead man, wandering soul, wraith, apparition, appearance, astral, astral spirit, banshee, boob, case, character, chump, clod, control, departed spirit, disembodied spirit, dolt, duck, dullard, duppy, dybbuk, eidolon, form, ghost, goon, grateful dead, guide, hant, haunt, idolum, immateriality, incorporeal, incorporeal being, incorporeity, larva, lemures, manes, materialization,

Synonyms

 * living dead, ghoul
 * intellectual prostitute