1. the state or quality of being extremely dirty or unclean
2. obscene, vulgar, or offensive language or content
Usage: often used to describe crude or indecent speech

Examples

• The filthiness of the abandoned building made it unsafe to enter.
• She was shocked by the filthiness of his language during the argument.
• The inspector noted the filthiness of the restaurant's kitchen and issued a citation.
• Years of neglect had resulted in the filthiness of the once-grand mansion.
• His comments were full of such filthiness that no one wanted to listen.
• The filthiness of the streets after the festival took weeks to clean up.