The term 'ALL BAD' can be represented by two crossword solutions: EVIL (4 letters) and ROTTENTOTHECORE (15 letters). EVIL is a word that is used to describe something that is morally wrong or bad. It is often used to describe people who are cruel, violent, or dishonest. ROTTENTOTHECORE is an expression that means something is completely bad or corrupt. It implies that the badness goes all the way to the core of the thing being described.