1A state of being overly crowded or congested; overpopulation or excessive density.
この時間帯の地下鉄は過密で、満員電車になることが多い。
The subway at this time is overcrowded, and often becomes a packed train.
都市の過密化は住環境やインフラに大きな負担をかける。
Urban overpopulation places a heavy burden on living conditions and infrastructure.
イベント会場の過密を避けるため、入場制限が設けられた。
To avoid overcrowding at the event venue, admission limits were set.
2A schedule or plan that is crammed or tightly packed with little or no spare time.
過密なスケジュールで休む暇もない。
My schedule is so packed that I don't even have time to rest.
夏休み中に旅行と仕事で予定が過密になってしまった。
During summer vacation my plans became crammed with travel and work.