congest

/kənˈdʒɛst/
verb
  1. To block or fill something so that it becomes difficult to move or flow through.
    • Too many people trying to enter at once will congest the doorway.
    • Heavy traffic will congest the downtown area during the parade.
    • Leaves and debris can congest the drainage pipes after a storm.
  2. To cause a part of the body, especially the nose or lungs, to become blocked with fluid or mucus.
    • Allergies often congest the nasal passages in the spring.
    • The cold virus can congest your sinuses and make it hard to breathe.
    • Smoke from the fire congested his lungs, making him cough.
Antonyms
What does "congest" mean? | whatsthatwordmean | whatsthatwordmean