HARM IRRETRIEVABLY' The crossword solution for the term 'HARM IRRETRIEVABLY' is 'RUINS'. This term is used to describe the destruction of something, usually a physical object or structure, that cannot be repaired or restored. It is often used to refer to the aftermath of a natural disaster, such as an earthquake or hurricane, or to the destruction caused by war. In either case, the damage is so severe that it cannot be reversed and the object or structure is left in RUINS.