The term is a noun phrase in which "patriotism," a noun signifying devotion to one's country, is the primary subject. The preceding "US" functions as an adjective, specifying the object of this devotion as the United States. It refers to an attachment to the nation's civic ideals, cultural identity, and political institutions. This sentiment is distinct from nationalism, which may involve a sense of superiority; instead, it centers on affection for and loyalty to the country, its history, and its foundational principles such as liberty, democracy, and the rule of law.
Analytical frameworks often distinguish between several forms of this attachment. "Civic patriotism" is loyalty to the nations constitutional principles and democratic institutions, an allegiance to a set of ideals rather than a particular ethnic or cultural group. In contrast, "affective" or "symbolic patriotism" involves an emotional connection to national symbols, such as the flag or the national anthem, and public rituals. A further distinction is made between "blind patriotism," which implies unquestioning support for all national policies and actions, and "critical patriotism," which combines allegiance with a commitment to holding the nation accountable to its founding ideals, allowing for dissent and critique as a means of improvement.
In practice, the concept is a dynamic and often contested element of public life. Its expression ranges from military service and civic participation to political rhetoric and cultural celebrations. The meaning and appropriate display of this sentiment are central to ongoing debates over national identity, foreign policy, and domestic issues. Different political and social groups often emphasize different aspectssome prioritizing civic engagement and adherence to constitutional norms, others focusing on symbolic loyalty and a particular interpretation of history. Consequently, it is not a monolithic belief but a multifaceted spectrum of attitudes that informs and shapes the nation's political and social landscape.