There are several synonyms that can be used for the phrase "are immoral." Some of these include "are unethical," "are wicked," "are sinful," "are depraved," and "are unethical." These words all convey a similar meaning, indicating that a certain action or behavior is not morally acceptable. It is important to remember that what may be considered immoral to one person or culture, may not be seen that way by another. However, it is generally accepted that actions such as lying, cheating, stealing, and harming others are universally viewed as immoral or unethical. Using synonyms such as these can help to express disapproval or disdain for certain actions or behaviors.