Definition: Nonmanneristic is a concept in psychology that refers to behaviors or attitudes that are not typical of what is expected or desired by society, culture, and individuals. It can be defined as a behavior or attitude that is unorthodox, unconventional, or different from the norm. In nonmanneristic behavior, people may exhibit traits such as being impulsive, making decisions based on emotions rather than logic, or engaging in behaviors that are not expected to be socially acceptable. Nonmanneristic