Definition of Filth

Noun: filth filth

Any substance considered disgustingly foul or unpleasant
- crud, skank, grot [Brit], scuzz
Anything regarded as making something unclean
- dirt, grime, soil, stain, grease, grunge
A state characterized by foul or disgusting dirt and refuse
- filthiness, foulness, nastiness
An offensive or indecent word or phrase
- obscenity, smut, vulgarism, dirty word