Definitions

1. adjective

covered or characterized by dirt, grime, or other unclean substances; dirty

“The filthy conditions in the abandoned factory were a health hazard.”

2. noun

something that is dirty or filthy

“The filthy water from the polluted river made it hard to find a safe source for drinking.”

3. adverb

in a dirty or unclean manner

“The workers cleaned the floors filthy, leaving them sparkling and new.”