undestroyable

Adjective
Synonyms: durableindestructibleperdurable

WordNet 3.0

Adjective (2)

  1. very long lasting“less durable rocks were gradually worn away to form valleys”“the perdurable granite of the ancient Appalachian spine of the continent”Synonyms: durableindestructibleperdurable
  2. not capable of being destroyed
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Webster's Dictionary (GCIDE)

Undestroyable \Un`de*stroy"a*ble\, a. Indestructible. [1913 Webster]
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