From Middle English filth, from Old English fȳlþ (“foulness, filth”), from Proto-Germanic *fūliþō (“foulness, filth”), from Proto-Germanic *fūlaz (“foul, corrupt, dirty, vile”), from Proto-Indo-European *pū- (“rottenness, pus”), equivalent to foul + -th. Cognate with Dutch vuilte (“filth”). More at foul.
- Dirt; foul matter; that which soils or defiles.
- Smut; that which sullies or defiles the moral character; corruption; pollution.
- to purify the soul from the dross and filth of sensual delights
- (Britain, pejorative, slang) The police.
- (US, agriculture, dated) Weeds growing on pasture land.
- Grampa remembers when he had to cut filth with a scythe.