What is another word for coating of filth?
Pronunciation: [kˈə͡ʊtɪŋ ɒv fˈɪlθ] (IPA) 
The phrase "coating of filth" refers to a thick layer of dirt or grime that covers a surface, object, or person. Synonyms for the term include "layer of grime," "accumulation of dirt," "covering of filth," "filthy layer," and "thick residue." Other options might include "grubby coating," "smutty layer," "dirty veneer," or "sooty film." Regardless of the phrasing, the underlying connotation remains the same: a sense of uncleanliness, disgust, and unkemptness. Depending on the context, any of these terms might be used to describe everything from a neglected household to a contaminated urban environment.
