filthy
adj 1: 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}]
2: vile; despicable; "a dirty (or lousy) trick"; "a filthy
traitor" [syn: {dirty}, {lousy}]
3: (informal) thoroughly unpleasant; "filthy (or foul or nasty
or vile) weather we're having" [syn: {foul}, {nasty}, {vile}]
4: characterized by obscenity; "had a filthy mouth"; "foul
language"; "smutty jokes" [syn: {foul}, {nasty}, {smutty}]