noun

1. Dirt; foul matter; that which soils or defiles.

   “Before we start cooking we need to clean up the filth in this kitchen.”

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

   “He spends all his time watching filth on pornographic websites.”

3. (with definite article) The police.

   “We were in the middle of stashing the money when the filth arrived.”