General:
* Urban - This is the most neutral term, simply referring to cities or relating to them.
* Metropolis - This suggests a large, important city, often with cultural and economic influence.
* Cosmopolitan - This emphasizes diversity, cultural mixing, and international connections.
Specific aspects:
* Fast-paced - This describes the rapid pace of life in many cities.
* Anonymous - This highlights the feeling of being surrounded by strangers in a large city.
* Crowded - This focuses on the density of population in cities.
* Industrious - This emphasizes the economic activity and work ethic of city dwellers.
* Sophisticated - This suggests a high level of culture, art, and intellectual pursuits.
* Diverse - This captures the mix of people from different backgrounds and cultures.
More negative connotations:
* Urban sprawl - Describes the uncontrolled expansion of cities, often with negative environmental consequences.
* Ghetto - Describes impoverished and often isolated urban areas.
* Concrete jungle - This term emphasizes the lack of nature and the overwhelming presence of buildings in some cities.
The best term depends on the specific context and what you want to convey.