filthy

(s) disgustingly dirty; filled or smeared with offensive matter
- as filthy as a pigsty
- a foul pond
- a nasty pigsty of a room
nasty, foul,
(s) vile; despicable
- a dirty (or lousy) trick
- a filthy traitor
dirty, lousy,
(s) characterized by obscenity
- had a filthy mouth
- foul language
- smutty jokes
cruddy, smutty, nasty, foul,

nasty foul dirty lousy cruddy smutty

filth

filter

filthy lucre