Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. No longer living but supernaturally animated, as a zombie.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Pertaining to a corpse, though having qualities of life.
  • adj. Being animate, though non-living.
  • n. Those creatures which are dead yet still moving.

Etymologies

un- +‎ dead (Wiktionary)

Examples

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