Of, relating to, or advocating nationalism(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "nationalistic" in a sentence
"Viennese mobs erupted in nationalistic fervor, expressed by beating up Jews and destroying their property."
"Police say they believe the crime was "nationalistic" - a reference usually used to describe Arab attacks on Israelis - but have not ruled out crime."
"Traitorfish said: I know that’s clichéd, but I really never liked Captain America - a superhero that nationalistic is nothing but creepy."