Search Result for "congestion": 
Wordnet 3.0

NOUN (2)

1. excessive accumulation of blood or other fluid in a body part;

2. excessive crowding;
- Example: "traffic congestion"
[syn: congestion, over-crowding]

The Collaborative International Dictionary of English v.0.48:

Congestion \Con*ges"tion\ (?; 106), n. [L. congestio: cf. F. congestion.] 1. The act of gathering into a heap or mass; accumulation. [Obs.] [1913 Webster] The congestion of dead bodies one upon another. --Evelyn. [1913 Webster] 2. (Med.) Overfullness of the capillary and other blood vessels, etc., in any locality or organ (often producing other morbid symptoms); local hyper[ae]mia, active or passive; as, arterial congestion; venous congestion; congestion of the lungs. [1913 Webster]
WordNet (r) 3.0 (2006):

congestion n 1: excessive accumulation of blood or other fluid in a body part 2: excessive crowding; "traffic congestion" [syn: congestion, over-crowding]
Moby Thesaurus II by Grady Ward, 1.0:

86 Moby Thesaurus words for "congestion": amplitude, bar, barrier, blank wall, blind alley, blind gut, block, blockade, blockage, bottleneck, cecum, choking, choking off, clog, closeness, compactness, congestedness, consistence, consistency, constipation, costiveness, crowdedness, cul-de-sac, dead end, denseness, density, embolism, embolus, engorgement, firmness, flood tide, full, fullness, gluiness, glut, gorge, hardness, high tide, high water, hyperemia, impasse, impediment, impenetrability, impermeability, impletion, imporosity, incompressibility, infarct, infarction, jam, jammedness, obstacle, obstipation, obstruction, overbrimming, overburden, overcharge, overflow, overfreight, overfullness, overload, overspill, overweight, plenitude, plethora, relative density, repletion, satiety, saturation, saturation point, sealing off, solidity, solidness, specific gravity, spissitude, spring tide, stop, stoppage, strangulation, supersaturation, surcharge, surfeit, thickness, viscidity, viscosity, viscousness
The Free On-line Dictionary of Computing (30 December 2018):

congestion The condition that arises when the amount of data that senders want to send down a communication channel exceeds its capacity. Typically this will result in some packets being delayed, thus increasing the average latency. (2014-05-04)