1. (n.) The act of gathering into a heap or mass; accumulation.

2. (n.) Overfullness of the capillary and other blood vessels, etc., in any locality or organ (often producing other morbid symptoms); as, arterial congestion; venous congestion; congestion of the lungs.

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