congested
Definitions
So crowded with traffic or people as to hinder freedom of movement.
Blocked or obstructed by an accumulation of fluid, such as mucus in the respiratory tract.
Examples
The city's main highway was heavily congested during the morning rush hour.
My sinuses feel very congested, making it difficult for me to breathe clearly.
Synonyms
clogged jammed overcrowded blocked stuffed packed obstructed