disgustingly dirty; filled or smeared with offensive matter; as filthy as a pigsty; a foul pond; a nasty pigsty of a room

[ Syn: foul , nasty ]

vile; despicable; a dirty (or lousy) trick; a filthy traitor

[ Syn: dirty , lousy ]

characterized by obscenity; had a filthy mouth; foul language; smutty jokes

[ Syn: cruddy , foul , nasty , smutty ]