Insolency is a term used to describe someone who is rude or disrespectful. It is related to the term impudence, which means the same thing. Impudence is defined as an insolent or disrespectful attitude or behavior. Insolency is often seen as a sign of disrespect for authority or social norms. It can also be seen as a lack of respect for other people's feelings or opinions. In some cases, it can even lead to criminal behavior.