Nationalism/ˈnæʃnəlɪzəm/ Definition 1 of 4Pro Tip 1/3Positive Emotion Nationalism often suggests positive feelings towards one's country. Her nationalism inspired the community. Pro Tip 2/3Not Always Tolerant Sometimes nationalism can lead to intolerance of other countries or cultures. The debate revealed a streak of nationalism. Pro Tip 3/3Over Other Countries Nationalism prioritizes one's own country over others, possibly to an extreme. The leader's nationalism overshadowed the conference.