as a noun, 'American' refers to a person from the United States of America.
She's an American living in Paris.
The conference will be attended by Canadians, Mexicans, and Americans.
He's proud to be an American.
It's important to note that while 'American' as a noun typically refers to someone from the U.S., the Americas encompass both North and South America. Therefore, in broader contexts, 'American' could refer to anyone from the Americas, though this usage is less common. Some people in Latin America might prefer not to use 'American' exclusively for U.S. citizens, given the broader geographical context.
As an adjective, 'American' describes something as being of, from, or related to the United States of America.
She loves American literature.
They're traveling on an American passport.
The movie offers an American perspective on the event.
'American' as an adjective can be used to describe a wide range of things, from culture and products to policies and perspectives. As with the noun form, it's essential to be aware of the broader context of the Americas when using 'American' in certain international settings.