From Longman Business Dictionarycivil commotioncivil com‧mo‧tion /ˌsɪvəl kəˈməʊʃən-ˈmoʊ-/ noun [uncountable] INSURANCE large-scale violence by members of the public, causing damage to people or property. This is not covered by normal insurance policiesNo cover is provided for loss or damage caused by riots or civil commotion.