Sinful practice refers to any behavior or action that goes against accepted moral or religious principles. There are several synonyms for this phrase, including immoral conduct, wicked behavior, unholy deeds, vice, evil actions, and wrongful behavior. Other synonyms include unethical conduct, bad habits, wrongdoings, depraved actions, and sinful behavior. All these terms are used to describe actions that violate societal standards of right and wrong and can range from minor misdeeds to serious crimes. It is important to recognize and avoid such practices as they can lead to negative consequences and damage an individual's reputation and relationships.