| Adj. | 1. | filthy - disgustingly dirty; filled or smeared with offensive matter; "as filthy as a pigsty"; "a foul pond"; "a nasty pigsty of a room"dirty, soiled, unclean - soiled or likely to soil with dirt or grime; "dirty unswept sidewalks"; "a child in dirty overalls"; "dirty slums"; "piles of dirty dishes"; "put his dirty feet on the clean sheet"; "wore an unclean shirt"; "mining is a dirty job"; "Cinderella did the dirty work while her sisters preened themselves" | |
| 2. | filthy - vile; despicable; "a dirty (or lousy) trick"; "a filthy traitor"nasty, awful - offensive or even (of persons) malicious; "in a nasty mood"; "a nasty accident"; "a nasty shock"; "a nasty smell"; "a nasty trick to pull"; "Will he say nasty things at my funeral?"- Ezra Pound | |
| 3. | filthy - thoroughly unpleasant; "filthy (or foul or nasty or vile) weather we're having"colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech inclement - (of weather of climate) physically severe | |
| 4. | filthy - characterized by obscenity; "had a filthy mouth"; "foul language"; "smutty jokes"dirty - (of behavior or especially language) characterized by obscenity or indecency; "dirty words"; "a dirty old man"; "dirty books and movies"; "boys telling dirty jokes"; "has a dirty mouth" | |