Synonyms of the word

congestion

• n. The hindrance or blockage of the passage of something, for example a fluid, mixture, traffic, people,…

crowding

• v. present participle of crowd.
• n. The act by which somebody is crowded.

symptom

• n. (medicine) A perceived change in some function, sensation or appearance of a person that indicates a disease…
• n. (figuratively) A signal; anything that indicates, or is characteristic of, the presence of something else,…