chauvinistic

1.

chauvinistisch

believing or showing an unreasonable belief that your own country or race is the best or most important:

:
The crowd was enthusiastically singing chauvinistic patriotic songs.
1.

chauvinistisch

someone who has an unreasonable belief that their own country or race is the best or most important:

:
The English tend to be chauvinists - they expect you to sing in their language.