/ ˌkɒzməˈpɒlɪtən; NAmE ˌkɑːzməˈpɑːl-/ adjective , noun
■ adjective ( approving )
1.
containing people of different types or from different countries, and influenced by their culture :
a cosmopolitan city / resort
The club has a cosmopolitan atmosphere.
2.
having or showing a wide experience of people and things from many different countries :
people with a truly cosmopolitan outlook
cosmopolitan young people
■ noun
a person who has experience of many different parts of the world :
She's a real cosmopolitan.
••
WORD ORIGIN
mid 17th cent. (as a noun): from cosmopolite a cosmopolitan person + -an .