hyperpatriotism
Hyperpatriotism is an intense and often uncritical devotion to one's country. It goes beyond healthy patriotism by exhibiting an excessive and often aggressive belief in the superiority of one's nation and its values. Individuals exhibiting hyperpatriotism may view their country as infallible and incapable of wrongdoing, dismissing any criticism or negative aspects of its history or present actions. This can manifest as a strong tendency to defend national policies and actions without consideration of alternative perspectives or evidence.
The term hyperpatriotism is often used to describe a form of nationalism that can be exclusionary and