Synonyms of 'patriotic'
Someone who is loyal remains firm in their friendship or support for a person or thing.
He was always such a loyal friend.
If you describe someone as nationalistic, you mean they are very proud of their nation. They also often believe that their nation is better than any other nation, and in this case it is often used showing disapproval.
The violence had an ominously nationalistic character.
Thesaurus for patriotic from the Collins English Thesaurus
Someone who is patriotic loves their country and feels very loyal towards it.