Explanation:

- Wicked means being morally wrong or evil in character or behavior. It often refers to something that is unpleasant or dangerous.

- Option 1: Evil has a similar meaning to wicked. Both refer to immorality or wrongdoing. Hence, it is not an antonym.

- Option 2: Sinful means engaging in or characterized by actions that are morally wrong. Like wicked, it implies moral failings. So, it is not an opposite.

- Option 3: Errant means straying from the proper course or standards. It doesn't directly oppose wicked; it's more about being incorrect or misguided.

- Option 4: Moral refers to principles of right and wrong behavior. It is about goodness and right conduct, making it the opposite of wicked.

- ? Moral is the correct antonym for wicked.