filthy
Americanadjective
-
filthier,
comparative
-
filthiest
superlative
-
foul with, characterized by, or having the nature of filth; disgustingly or completely dirty.
-
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.
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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)
idioms
adjective
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characterized by or full of filth; very dirty or obscene
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offensive or vicious
that was a filthy trick to play
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informal extremely unpleasant
filthy weather
adverb
Synonym Usage
See dirty.
Other Word Forms
Derived Forms
Inflected Forms
Adjectives
Etymology
Origin of filthy
First recorded in 1350–1400; Middle English; see origin at filth, -y 1
Explanation
Filthy is a dirty word. Sure, you can say it aloud in public, but it means "dirty" — like your dirty laundry pile by the end of the week. The joy of filthy really lies in the limitless range of its usage. Just about anything can be filthy, not just your dirty socks. You can have filthy living conditions, or wear filthy clothes, but it's also used to refer to something morally or ethically odious, too: "filthy liar," "filthy language," and so on. It can also indicate envy or outrage on the part of the user, as in our favorite use of the word, "filthy rich." Now that's a use of filthy we'd be happy to put up with.
Vocabulary lists containing filthy
Unit 1: Telling Details
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Tax Day Words
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Vocabulary from history writings about the Triangle Factory Fire
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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.
See Examples For:
Park advocates have long argued that the existing city allocation is inadequate, leaving neighborhoods with decaying recreation centers, deteriorating swimming pools and filthy park bathrooms.
From Los Angeles Times ● Oct. 1, 2026
Politics may be “a filthy business,” as Agrippa observes, but in the hands of Mr. Harris, it is a drama of endless interest.
From The Wall Street Journal ● Aug. 28, 2026
Only a few days after the pool was refilled, though, it reverted what it always is: a filthy slime pit that nevertheless does an adequate job of its primary objective: reflecting.
From Slate ● Jun. 19, 2026
This was a reference to North Korea dropping hundreds of balloons in 2024, which were later found to contain "filthy waste and trash", across the border in the South.
From BBC ● Jun. 12, 2026
One time she finds a huddled guy, completely filthy, gripping a filthy doll.
From "Beast Rider" by Tony Johnston & María Elena Fontanot de Rhoads
"The state of 'neither war nor peace' is far filthier than war itself," 39-year-old Tehran resident Shahrzad told AFP.
From Barron's ● May 23, 2026
That sponge, I reasoned, had to be way filthier than whatever Key Food filth had been lingering on the Coke I was about to bring to my lips.
From Salon ● Feb. 14, 2023
Russell groaned and wiped off the black ash with an even filthier cloth.
From New York Times ● Jan. 2, 2018
The prosperous western neighborhoods boasted elegant shops, cafes and residences; proletarian eastern Paris was filthier and more crowded than ever.
From Los Angeles Times ● Dec. 5, 2014
He was filthier than usual, with dirt encrusted on his face and ringing his scalp.
From "Three Little Words: A Memoir" by Ashley Rhodes-Courter
Yet Guadagnino can’t help but sand every coarse surface; even the filthiest walls here look carefully buffed to perfection.
From New York Times ● Nov. 29, 2024
We celebrated everything we could, bouncing from fancy restaurant to the filthiest dive bars we could find every week.
From Salon ● Jul. 9, 2023
He was just one of the filthiest comics ever, but it was done in such a genius way.
From Los Angeles Times ● Jan. 15, 2022
People didn’t know Martha was funny — much less that she could go toe-to-toe with some of the filthiest comedians.
From Washington Post ● Oct. 14, 2017
Shone upon the filthiest and foulest of New York's tenements, upon Bandit's Roost, upon Bottle Alley, upon the hidden byways that lead to the tramps' burrows.
From Children of the Tenements by C. M. (Charles Mark) Relyea
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
