過密

Word: 過密
Reading: かみつ
Level: N1
Part of speech: noun
Meaning: crowded, packed
Example: 首相の今週のスケジュールは過密を極めている。 The prime minister's schedule this week is extremely packed.
Confused with: 混雑 (congestion) - 混雑 describes crowded physical spaces like trains, while 過密 often describes a packed schedule or overpopulation.