na·tion·al·ism (năshə-nə-lĭz′əm, năshnə-)
1. Devotion, especially excessive or undiscriminating devotion, to the interests or culture of a particular nation-state.
2. The belief that nations will benefit from acting independently rather than collectively, emphasizing national rather than international goals.
3. The belief that a particular cultural or ethnic group constitutes a distinct people deserving of political self-determination.
nation·al·ist adj. & n.
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