inexpungible
1. [ adjective ] not capable of being expunged
Synonyms: inexpungeable
Examples:

"the inexpungible scent of a bottle of perfume he had broken"- Louis Auchincloss

Related terms: ineradicable
Similar spelling:   inexpungeable
  inexpugnable
  inexpressible
  inexpiable
  inexplicable
  inseparable