Not reparable; not capable of being repaired, recovered, regained, or remedied; irretrievable; irremediable; as, an irreparable breach; an irreparable loss
Irreparable damage or harm is so bad that it cannot be repaired or put right. The move would cause irreparable harm to the organization. = irreversible + irreparably ir·repa·rably Her heart was irreparably damaged by a virus. irreparable damage, harm etc is so bad that it can never be repaired or made better