- (by extension) Of or having to do with a country (sovereign state).
"Import tariffs were raised for the national interest."
- Of or having to do with a nation.
- A subject of a nation.
"The diplomats were advised not to interact with any foreign nationals except on official duty."
- (usually in the plural) A tournament in which participants from all over the nation compete.
"After winning the regional tournament, the team advanced to the nationals."