"nationalistic" in the adjective sense
1. chauvinistic, flag-waving, jingoistic, nationalistic, ultranationalistic, superpatriotic
fanatically patriotic
2. nationalist, nationalistic
devotion to the interests or culture of a particular nation including promoting the interests of one country over those of others
"nationalist aspirations"
"minor nationalistic differences"
Source: WordNet® (An amazing lexical database of English)
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