soft mud, sediment, or sludge that has accumulated at the bottom of a body of water or in a drainage system

to accumulate as silt, mud, or sediment, often causing a blockage

to dredge; to remove sludge

to become choked or blocked with silt, mud, or sediment

to remain principled and morally pure despite being in a corrupt or filthy environment

obstructed or blocked by the accumulation of silt or sediment

to silt up

to fertilize land by flooding it with silt-laden water

a discolored patch on the skin caused by internal bleeding or bruising

a purplish-blue mark on the skin caused by internal bleeding from a physical injury or trauma

bruising