Bona roba is an archaic term that was commonly used to describe a woman who is of questionable character or one who dresses in a provocative manner. This term is now considered derogatory and is not used in modern times. However, there are many synonyms that can be used to replace the term, such as hussy, slut, harlot, strumpet, seductress, temptress, floozy, or vamp. These terms are still considered offensive and are not recommended for polite conversation. It is important to recognize the importance of using respectful language when referring to others, particularly women, regardless of individual beliefs or perspectives on morality.