irretrievable

irretrievable
    adj 1: impossible to recover or recoup or overcome; "an
           irretrievable loss"; "irretrievable errors in judgment"
           [syn: {irretrievable}, {unretrievable}]
    

Irretrievable \Ir`re*triev"a*ble\, a.
   Not retrievable; irrecoverable; irreparable; as, an
   irretrievable loss.

   Syn: Irremediable; incurable; irrecoverable.
        [1913 Webster]
    

77 Moby Thesaurus words for "irretrievable":
      ablated, beyond recall, beyond remedy, by the board, changeless,
      constant, consumed, cureless, depleted, dissipated, eroded,
      expended, forfeit, forfeited, gone, immedicable, immutable,
      incommutable, inconvertible, incorrigible, incurable, indefeasible,
      inert, inoperable, insusceptible of change, intransmutable,
      invariable, irreclaimable, irrecoverable, irredeemable,
      irreformable, irremediable, irreparable, irreversible, irrevocable,
      lasting, long-lost, lost, lost to, noble, nonreturnable,
      nonreversible, out the window, past hope, past praying for,
      permanent, remediless, reverseless, ruined, shrunken, squandered,
      terminal, unalterable, unalterative, unaltered, unchangeable,
      unchanged, unchanging, uncorrectable, undeflectable, undeviating,
      undone, unmitigable, unmodifiable, unrelievable, unremitting,
      unrestorable, unreturnable, unsalvable, unsalvageable,
      unsusceptible, unvariable, unvarying, used, used up, wasted,
      worn away