WordWeb Online

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

Derived forms: filths

Type of: dirtiness, profanity, uncleanness, unsanitariness, waste, waste material, waste matter, waste product

Encyclopedia: Filth