過密

1. Origins, structure, and basic meaning

• Structure: 過密 (かみつ) is a noun and na-adjective for excessive density in a schedule, population, or space.
• Basic usage: It modifies a noun in 過密な日程 and forms a compound in 人口過密.
  • 過密な日程では十分に休めない。 — An overloaded schedule leaves no time for sufficient rest.
  • 都市部の人口過密が課題になっている。 — Urban overcrowding has become a challenge.

2. Common pitfalls and similar expressions

• Large number and excessive density
  • 多い simply means numerous, while 過密 describes too many things compressed into limited time or space.