Definition: Unpreposterously is a term in English that refers to something or someone doing things or saying things that are clearly absurd or illogical. It implies that something or someone is going against common sense or logic, and it often has negative connotations. For example: - A person who is unpreposterously bold may make rash decisions or take risks without considering the consequences. - An individual who is unpreposterously intelligent may have a profound understanding of their own limitations and lack of knowledge.