Pronunciation: (fil'thē), [key]
—adj., filth•i•er, filth•i•est,
—adv., v., filth•ied, filth•y•ing.
1. foul with, characterized by, or having the nature of filth; disgustingly or completely dirty.
2. vile; vulgar; obscene: filthy language.
3. contemptibly offensive, vile, or objectionable: to treat one's friends in a filthy manner.
4. (of money) abundantly supplied (often fol. by with): They're filthy with money.
(of money or wealth) very; extremely: They say he's filthy rich.
to make filthy; foul.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.