zombie

Short definition from Wiktionary

Noun

1. 1
   A person, usually undead, animated by unnatural forces (such as magic), with no soul or will of his or her own.
2. 2
   An apathetic or slow-witted person.
3. 3
   A human being in a state of extreme mental exhaustion.
4. 4
   Someone or something that should be dead but is not.
5. 5
   An information worker who has signed a nondisclosure agreement.
6. 6
   A process or task which has terminated but has not been removed from the list of processes, typically because it has an unresponsive parent process.
7. 7
   A computer affected by malware which causes it to do whatever the attacker wants it to do without the user's knowledge.
8. 8
   A cocktail of rum and fruit juices.
9. 9
   A conscripted member of the Canadian military during World War II who was assigned to home defence rather than to combat in Europe.
10. 10
    Marijuana, or similar drugs.
11. 11
    A hypothetical being that is indistinguishable from a normal human being except in that it lacks conscious experience, qualia, or sentience.