MORALLY DEGENERATE is a term used to describe someone who has a lack of moral principles or values and behaves in an unethical or immoral way. DECADENT, an 8-letter solution to the crossword, is defined as being characterized by self-indulgence and moral decay. SORDID, a 6-letter solution to the crossword, is defined as being characterized by filth, misery, and degradation. Together, these terms can be used to describe someone who is morally degenerate, meaning they have no regard for ethical behavior and are willing to engage in activities that are considered immoral.