> loyalty and devotion to a nation
especially : a sense of national consciousness (see CONSCIOUSNESS sense 1c) exalting one nation above all others and placing primary emphasis on promotion of its culture and interests as opposed to those of other nations or supranational groups
https://www.merriam-webster.com/dictionary/nationalism
> loyalty and devotion to a nation especially : a sense of national consciousness (see CONSCIOUSNESS sense 1c) exalting one nation above all others and placing primary emphasis on promotion of its culture and interests as opposed to those of other nations or supranational groups