Definitions

1. noun

a person who is interested in and knowledgeable about space and astronomy, often with a fascination for science fiction and futuristic culture.

“She was a self-proclaimed cosmo, always talking about the latest space discoveries.”

2. noun

short for cosmopolitan, a person who is worldly, sophisticated, and interested in international culture and travel.

“He was a true cosmo, always trying new foods and drinks from different countries.”

3. adjective

relating to or characteristic of the cosmos, the universe, or outer space.

“The cosmo-themed restaurant was a hit with astronomy enthusiasts.”

4. noun

a cosmopolitan or world city, especially one that is culturally diverse and international.

“New York City is often referred to as the ultimate cosmo.”