congested (adj.)
- blocked
- bound
- brimful
- brimming
- bulging
- chock-full
- choked
- chuck-full
- clogged
- close
- close-knit
- compact
- compressed
- concentrated
- concrete
- consolidated
- constipated
- costive
- crowded
- dense
- drenched
- filled
- firm
- flush
- foul
- fouled
- full
- gluey
- glutted
- gorged
- hard
- heavy
- hyperemic
- impenetrable
- impermeable
- jam-packed
- jammed
- massive
- nonporous
- obstructed
- overblown
- overburdened
- overfed
- overflowing
- overfull
- overladen
- overloaded
- overstuffed
- packed
- plenary
- plethoric
- plugged
- replete
- round
- satiated
- saturated
- serried
- soaked
- solid
- stopped
- stuffed
- substantial
- supercharged
- supersaturated
- swollen
- thick
- thickset
- viscid
- viscous