/kən'dʒestɪd; kən`dʒɛstɪd/
adj
1 ~ (with sth) too full; overcrowded 拥挤不堪的; 充塞的
*streets congested with traffic 交通拥塞的街道.
2 (a) (of parts of the body, eg the lungs) abnormally full of blood （指身体的部分, 如肺部）充血的.
(b) (of the nose) blocked with mucus （指鼻子）因鼻涕多而不通的
*He had a cold and was very congested. 他患了感冒, 鼻子不通.

adj
[Date: 1400-1500; Language: Latin;Origin: , past participle of congerere 'to bring together', from com- ( COM-) + gerere 'to carry']
full of traffic
　congested airspace
　The roads out of Cornwall were heavily congested (=very congested) .
a part of your body that is congested is very full of liquid, usually blood or mucus
>congestion [-'dʒestʃən/