1. the state of being crowded and full of traffic
2. excessive accumulation of blood or other fluid in a body part
Usage: medical
3. the condition of being overcrowded or blocked

Examples

• Traffic congestion during rush hour made me late for work.
• The city is implementing new measures to reduce downtown congestion.
• Nasal congestion from my cold made it hard to breathe.
• The doctor prescribed medication to relieve chest congestion.
• Airport congestion caused flight delays throughout the day.
• Population congestion in urban areas creates housing shortages.
• The congestion in the subway system was worse than usual.