Synonyms

filthy

American

[fil-thee] / ˈfɪl θi /

adjective

filthier, filthiest

foul with, characterized by, or having the nature of filth; disgustingly or completely dirty.
vulgar; obscene.

filthy language.
contemptibly offensive, vile, or objectionable.

to treat one's friends in a filthy manner.
(of money) abundantly supplied (often followed bywith ).

They're filthy with money.
Slang. (especially in sports) formidable: knocked down by a filthy right hook.

a young rookie with a filthy curveball;
knocked down by a filthy right hook.

verb (used with object)

filthied, filthying

to make filthy; foul.

idioms

filthy rich, outrageously wealthy; very rich.

filthy British

/ ˈfɪlθɪ /

adjective

characterized by or full of filth; very dirty or obscene
offensive or vicious

that was a filthy trick to play
informal extremely unpleasant

filthy weather

"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

adverb

extremely; disgustingly

filthy rich

"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

Related Words

See dirty.

Other Word Forms

filthily adverb
filthiness noun

Etymology

Origin of filthy

First recorded in 1350–1400; Middle English; filth, -y ¹

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A filthy, ripped sofa piled with broken furniture and bags of garbage sits in the middle of the living area, a stained mattress propped up against its side.

From Literature

“Yes, I can see that, but—” The mother’s eyes sharpened as the girl leapt back over the ditch and held up the filthy prize.

From Literature

On the way to a fancy ball, his gallant attempt to guide his date past a fetid puddle ends with him splashing her “from head to foot with that filthy water.”

From The Wall Street Journal

Fruit makes up more than half of the filthy bunch, according to a report released Tuesday by the nonprofit.

From Salon

In fact, such a thing had been in the works since the 1950s, but instead of hurrying to get them assembly-line ready as L.A. was sickening with smog, Detroit just made bigger, filthier cars.

From Los Angeles Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023