Dogmatic

Dogma, in its broadest sense, is any belief held definitively and without the possibility of reform. It may be in the form of an official system of principles or doctrines:of a religion, such as Judaism, Christianity or Islam of the positions of a philosopher or of a philosophical school, such as Stoicism of the postulates or political axioms of political belief-systems such as fascism, socialism, progressivism, liberalism, or conservatism