Meaning of filthy

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

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

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