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.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.