Utter destruction is a term used to describe complete and total destruction. It can be caused by natural disasters, war, or other catastrophic events. The term is often used in reference to the complete destruction of a city, country, or region. OBLITERATION (12 letters) is a synonym for utter destruction, meaning to completely destroy something so that it no longer exists. MASSACRE (8 letters) is another synonym for utter destruction, referring to the killing of a large number of people or animals. Rackandruin (11 letters) is yet another synonym for utter destruction, meaning to cause great damage or destruction. All three terms refer to the same concept of complete and total destruction.