Adjective undestroyable has 2 senses
  1. durable, indestructible, perdurable, undestroyable - very long lasting; "less durable rocks were gradually worn away to form valleys"; "the perdurable granite of the ancient Appalachian spine of the continent"
    Antonym: perishable (indirect, via imperishable)
  2. undestroyable - not capable of being destroyed
    Antonym:
    destructible (indirect, via indestructible)
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