1. Pertinent or common to the whole world: an issue of cosmopolitan import.

2. Having constituent elements from all over the world or from many different parts of the world: the ancient and cosmopolitan societies of Syria and Egypt.

3. So sophisticated as to be at home in all parts of the world or conversant with many spheres of interest: a cosmopolitan traveler.

4. Ecology Growing or occurring in many parts of the world; widely distributed.

1. A cosmopolitan person or organism; a cosmopolite.

2. A cocktail made of vodka, orange liqueur, cranberry juice, and lime juice. Also called cosmo.