Filth \Filth\, n. [OE. filthe, ful[eth]e, AS. f?l[eth], fr. f[=u]l foul; akin to OHG. f[=u]lida. See Foul, and cf. File.]

1. Foul matter; anything that soils or defiles; dirt; nastiness.

2. Anything that sullies or defiles the moral character; corruption; pollution.

To purify the soul from the dross and filth of sensual delights. --Tillotson.

Filth disease (Med.), a disease supposed to be due to pollution of the soil or water.

Source: Webster's Revised Unabridged Dictionary (1913)