1.
metropolis, big city, large urban area
A very large city with a high population and extensive urban development. Examples include Tokyo, New York, London, etc.
東京は世界的な大都会だ。
Tokyo is a world-class metropolis.
大都会での生活は忙しい。
Life in a big city is busy.
大都会から田舎に引っ越した。
I moved from the big city to the countryside.
COMPOUND: 大 (big) + 都会 (city)
RELATED TERMS:
- 都会 (city, urban area)
- 都市 (city - more formal)
- 田舎 (countryside, rural area)
- 郊外 (suburbs)
- 首都 (capital city)
大都会 implies not just any city but specifically a major metropolitan area with millions of people, extensive infrastructure, and significant economic activity.