1) Binding 2) Irrecoverable 3) Lost 4) Permanent 5) Unrecoverable 6) Unretrievable 1) Irrecoverable 2) Irreparable 3) Not retrievable 4) Unrecoverable 5) Unretrievable 
Irretrievable (Unwiederbringlich, 1892, also known as Beyond Recall and No Way Back ) is one of realist Theodor Fontane`s mature German novels. As with some other of Fontane`s novels (including Effi Briest), its heroine is believed to be based roughly on a real person whose demise Fontane heard about, and it deals delicately with near taboo (at .....
• (a.) Not retrievable; irrecoverable; irreparable; as, an irretrievable loss.
Ir`re·triev'a·ble adjective Not retrievable; irrecoverable; irreparable; as, an irretrievable loss. Syn. -- Irremediable; incurable; irrecoverable.
[adj] - impossible to recover or recoup or overcome
unretrievable adjective impossible to recover or recoup or overcome; `an irretrievable loss`; `irretrievable errors in judgment`
not retrievable; irrecoverable; irreparable.