ir·rep·a·ra·ble (ĭ-rěp'ər-ə-bəl) adj. Impossible to repair, rectify, or amend: irreparable harm; irreparable damages.
[Middle English, from Old French, from Latin irreparābilis : in-, not; see in-1 + reparābilis, reparable; see reparable.] ir·rep'a·ra·bil'i·ty, ir·rep'a·ra·ble·ness n., ir·rep'a·ra·bly adv.