irretrievable

/ˌɪrɪˈtrivəbəl/
adjective
  1. Not able to be recovered, regained, or brought back.
    • The deleted files were irretrievable after the hard drive crashed.
    • Some species face irretrievable loss of their natural habitat.
    • The damage to their friendship was irretrievable after the betrayal.
Antonyms
What does "irretrievable" mean? | whatsthatwordmean | whatsthatwordmean