Sinful behavior is an action or behavior that goes against religious or moral teachings. It is often associated with words such as immoral, evil, wicked, and unrighteous. Other synonyms for sinful behavior include vice, viceful, iniquitous, corrupt, depraved, and sinful conduct. These words are often used interchangeably to describe behavior that is deemed unacceptable by society, religion, or morality. Each of these terms carries a strong moral or ethical judgment that suggests wrongdoing or badness. Though there are many different words to describe sinful behavior, what they all have in common is the notion of transgressing a moral code.