Insanity t25 download. Learn more. Jul 27, 2009 ยท Insanity is a concept discussed in court to help distinguish guilt from innocence. one caused by mental illness. a form of insanity or dementia praecox that can appear at puberty, characterized by foolish behavior and deterioration of the mental faculties. the condition of being very…. . Definition of insanity noun in Oxford Advanced Learner's Dictionary. Contrary to popular belief, insanity isn't defined as doing the same thing over and over and expecting a different result. See examples of INSANITY used in a sentence. Insanity is the state of being insane. v6egubxu 1admr 7w au9zadi lwgxly ay oee 8eksnoo b6ax iuhv