The state of being congested, especially with blood or traffic.
From latin congestus "heaped up, crowded together".
- The traffic congestion on the highway was causing delays.
- The congestion in the lungs caused difficulty in breathing.
- The nasal congestion made it hard to breathe through the nose.
- The city had a severe congestion problem during rush hour.
- The congestion in the port was causing delays in shipping.