1. A corpse which is believed to be reanimated through supernatural forces: A mysterious power or spell that according to voodoo belief can enter into and revive a zombie.
2. A person who acts or responds in a mechanical or apathetic way: Henry was so tired that he was walking around like a zombie.
3. Etymology: from Caribbean French, and English Creole which came from Kimbundu-zumbi, "ghost, departed spirit".

Originally the term zombie was the name of a snake god, then later it meant "a reanimated corpse" in the voodoo cult.