The crossword solution for the term 'evil habit' is 'VICE'. A VICE is an immoral or wicked behavior that is considered a bad habit. It is usually associated with activities such as gambling, drinking, smoking, and other forms of addiction. Vices can also refer to any type of immoral behavior, such as lying, cheating, or stealing. Vices are often seen as a sign of weakness and can lead to serious consequences if not addressed.