Crowded together.

crowded with people or things so that passing through is difficult The wiring was so congested at that point that the power supply was in danger of failing. congestion (n)

Crowded, as in an inflorescence with many densely clustered flowers.

Containing an unnatural accumulation of blood; hyperæmic; -- said of any part of the body.

Excessive accumulation of blackheads, pustules, and papules.

overfull as with blood

Smeared, confused, muddy, and flat. Totally devoid of transparency.

A thickening of the sound that makes instrumental images less separate and distinct.