irrecoverable

adj (fml 文) that cannot be recovered or remedied 无法挽回的; 不能治愈的; 无法补救的: suffer irrecoverable losses, eg in business 遭受无法挽回的损失（如在商业中）.

ironclad, ironic, ironical, ironically, ironing, ironing-board, ironmonger, ironmongery, ironstone, ironware, ironwork, ironworks, irony, irradiate, irradicable, irrational, irrationality, irrationally, irreconcilable, irreconcilably, irrecoverably, irredeemable, irredeemably, irreducible, irreducibly, irrefutable, irrefutably, irregular, irregularity, irregularly, irrelevance, irrelevancy, irrelevant, irrelevantly, irreligious, irremediable, irremediably, irremovable, irreparable, irreparably,