noun
overcrowded city
Refers to a city with excessively high population density, often implying problems like traffic congestion, housing shortages, or strained infrastructure.
東京は世界有数の過密都市だ。
Tokyo is one of the world's most overcrowded cities.
過疎 means depopulation or underpopulation, the opposite problem of 過密.
Compound of 過密 (overcrowded, excessive density) and 都市 (city).