WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
one who loves and defends his or her country
noun.
an advocate of national independence of or a strong national government
adjective.
devotion to the interests or culture of a particular nation including promoting the interests of one country over those of others
Word Usage
"It is more than a semantic issue because the word nationalist is bandied about and used to promote or, more frequently, stigmatize policies in a way that obscures clear thought."