An adjective used to loosely emphasize any object or trait that stands out in an impressive manner. Badass is a term associated with people who possess great prowess in physical fighting, bravery, durability, or mere coolness. The term is primarily used to describe either a type of character with these attributes or describe the kind of actions that a character performs. However, exactly what a badass person or action is can differ wildly depending on context or the people using the term.