The crossword solution for the term 'Runs Amuck' is RIOTS. The phrase 'Runs Amuck' is used to describe a situation in which someone or something is out of control and causing chaos or destruction. It is often used to describe a person who is behaving in a wild, uncontrolled manner, or a situation that has become chaotic and dangerous. A riot is an example of a situation that could be described as 'running amuck, ' as it involves large groups of people engaging in violent and destructive behavior.