[ fil-thee ]
/ ˈfɪl θi /
adjective, filth·i·er, filth·i·est.
foul with, characterized by, or having the nature of filth; disgustingly or completely dirty.
vile; vulgar; obscene: filthy language.
contemptibly offensive, vile, or objectionable: to treat one's friends in a filthy manner.
(of money) abundantly supplied (often followed by with): They're filthy with money.
verb (used with object), filth·ied, filth·y·ing.
to make filthy; foul.
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filthy rich, outrageously wealthy; very rich.
Related formsfilth·i·ly, adverbfilth·i·ness, noun
1. See dirty.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for filthy rich
/ (ˈfɪlθɪ) /
adjective filthier or filthiest
characterized by or full of filth; very dirty or obscene
offensive or viciousthat was a filthy trick to play
informal, mainly British extremely unpleasantfilthy weather
extremely; disgustinglyfilthy rich
Derived Formsfilthily, adverbfilthiness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012