An immoral act or practice.
The state or quality of being immoral; vice.
A set of personal guiding principles for conduct or a general notion of how to behave, whether respectable or not.
A set of social rules, customs, traditions, beliefs, or practices which specify proper, acceptable forms of conduct.
A particular theory concerning the grounds and nature of rightness, wrongness, good, and evil.
Moral philosophy, the branch of philosophy which studies the grounds and nature of rightness, wrongness, good, and evil.
A morality play.
Recognition of the distinction between good and evil or between right and wrong; respect for and obedience to the rules of right conduct; the mental disposition or characteristic of behaving in a manner intended to produce morally good results.