ir ‧ re ‧ cov ‧ er ‧ a ‧ ble /ˌɪrɪˈkʌv ə rəb ə l◂/ BrE AmE adjective formal
something that is irrecoverable is lost or has gone and you cannot get it back:
irrecoverable loss of sight
The insurance premium is wholly irrecoverable.
ir ‧ re ‧ cov ‧ er ‧ a ‧ ble /ˌɪrɪˈkʌv ə rəb ə l◂/ BrE AmE adjective formal
something that is irrecoverable is lost or has gone and you cannot get it back:
irrecoverable loss of sight
The insurance premium is wholly irrecoverable.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012