/ ˈzɒmbi; NAmE ˈzɑːmbi/ noun
1.
( informal ) a person who seems only partly alive, without any feeling or interest in what is happening
2.
(in some African and Caribbean religions and in horror stories) a dead body that has been made alive again by magic
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WORD ORIGIN
early 19th cent.: of West African origin; compare with Kikongo (a language spoken in central Africa) zumbi fetish.