Other forms: nationals
National is an adjective that refers to something or someone that belongs to a nation or country. Baseball is the national pastime of the United States.
The word national describes anything that is common to, shared by, or represents a group of people or a place that is considered a nation, like the national anthem sung before the national pastime of baseball. National statistics provide information about a country as a whole. During times of war, the national mood is usually tense and sad. A national is also a citizen of a nation. You might be called an “American national” if you are an American living in Paris.