► bad morally wrong or evil: You had to tell him the truth. That doesn’t make you a bad person.
► improper formal improper behavior is not morally right, not appropriate, or not socially acceptable: The police chief had to resign after several instances of improper conduct were reported.
► immoral/wrong not morally right. Wrong is less formal than immoral: I think it is immoral to test beauty products on animals.
► corrupt not morally right or honest. You use corrupt about people who use their personal power in order to get an advantage or money: Corrupt judges have taken millions of dollars in bribes.
► evil/wicked deliberately very bad and very cruel to other people: He was an evil man who felt no sympathy for his victims.
► reprehensible formal reprehensible behavior is very bad and deserves criticism: Leaving the scene of a car accident is a morally reprehensible act.