IPA: /ˌkɒzməˈpɒlɪtən/
KK: /kɑzˈmɑpəˌtæn/
Relating to a city or place that is diverse and has people from many different countries and cultures.
New York is known for its cosmopolitan atmosphere, attracting people from all over the globe.
A person who is familiar with and at ease in many different countries and cultures.
She is a cosmopolitan who has lived in several countries around the world.
Cosmopolitan is formed from "cosmo-" (from Greek "kosmos", meaning world or universe) and "-politan" (from Greek "polites", meaning citizen). The word describes someone who is a citizen of the world, familiar with and at ease in many different cultures.
Think of 'cosmos' as the world and 'politan' as a citizen — a cosmopolitan is someone who feels at home in many places around the world.