scummy (adj.)
- abject
- abominable
- arrant
- atrocious
- base
- beggarly
- cheap
- cheesy
- common
- contemptible
- crappy
- crummy
- debased
- degraded
- depraved
- despicable
- dirty
- disgusting
- execrable
- fecal
- feculent
- fetid
- filmy
- filthy
- flagrant
- flyblown
- foliaceous
- foliated
- foul
- fulsome
- gaudy
- grave
- gross
- heinous
- icky
- leaflike
- leafy
- little
- low
- low-down
- lumpen
- maggoty
- malodorous
- mangy
- mean
- measly
- membranous
- mephitic
- meretricious
- miserable
- monstrous
- mucky
- nasty
- nauseating
- nefarious
- obnoxious
- odious
- paltry
- pathetic
- petty
- pitiable
- pitiful
- poky
- poor
- putrid
- rank
- reptilian
- repulsive
- rotten
- rubbishy
- sad
- scabby
- scrubby
- scruffy
- scurfy
- scurvy
- shabby
- shitty
- shoddy
- slimy
- sloppy
- slushy
- small
- sorry
- squalid
- stratified
- three-ply
- trashy
- two-ply
- twopenny
- twopenny-halfpenny
- unmentionable
- valueless
- vile
- wormy
- worthless
- wretched