Background: Dogmatism is a global challenge in recent years. Terrorist groups such as Taliban, Al Qaeda, Al-shabab, ISIS, Jondollah and so on are some example in recent century. Hence, what is more attended today is the religious dogmatism. It doesn’t mean that there are no other forms of dogmatism. Various kinds of dogmatism in political, racial and ethnical forms are developed in modern societies. Because of forming close mind manner, dogmatism in each form is in opposite of ethics. Therefore, this study tries to consider the ethical and social consequences of dogmatism in societies. Conclusion: With prevalence of dogmatism, ethical foundations are weakened and wellbeing will be replaced with violence and autarchy. In such societies, trust, adjustment and social cooperation will be decreased.