Try Our Apps


Avoid these words. Seriously.


[fil-thee] /ˈfɪl θi/
adjective, filthier, filthiest.
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), filthied, filthying.
to make filthy; foul.
filthy rich, outrageously wealthy; very rich.
Origin of filthy
Middle English word dating back to 1350-1400; See origin at filth, -y1
Related forms
filthily, adverb
filthiness, noun
Synonym Study
1. See dirty. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
Examples from the Web for filthiness
Contemporary Examples
Historical Examples
  • When shall I rest, and be cleansed from the filthiness which is gone forth out of me?

    Jesus the Christ James Edward Talmage
  • For century after century the idea prevailed that filthiness was akin to holiness.

    The Necessity of Atheism Dr. D.M. Brooks
  • But all love, of whatsoever sort, say they, is a filthiness of the flesh.

    In Convent Walls Emily Sarah Holt
  • I see dirt in mine own tears, and filthiness in the bottom of my prayers.

  • What is to be got rid of is not this or that defect or vice, but 'all filthiness of flesh and spirit.'

    Expositions of Holy Scripture Alexander Maclaren
  • And for his practice, he was now drunken in all manner of uncleanness and filthiness.

  • These rooms could have vied with any in London for supremacy of filthiness.

    The Whirlpool George Gissing
  • The fellow was correct about the clothes and the filthiness of the English moocher.

    Tramping with Tramps Josiah Flynt
  • So have we to be warned against "all filthiness of the flesh and spirit."

British Dictionary definitions for filthiness


adjective filthier, filthiest
characterized by or full of filth; very dirty or obscene
offensive or vicious: that was a filthy trick to play
(informal, mainly Brit) extremely unpleasant: filthy weather
extremely; disgustingly: filthy rich
Derived Forms
filthily, adverb
filthiness, 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
Cite This Source
Word Origin and History for filthiness



late 12c., fulthe, "corrupt, sinful," from filth + -y (2). Meaning "physically unclean" is from late 14c. Meaning "morally dirty, obscene" is from 1530s.

In early use often hardly more emphatic than the mod. dirty; it is now a violent expression of disgust, seldom employed in polite colloquial speech. [OED]
Related: Filthiness.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Slang definitions & phrases for filthiness



  1. Wealthy; rich; loaded: He's filthy with dough (1930s+)
  2. Obscene; salacious; blue, dirty: filthy movies/ filthy minds (1535+)
  3. Excellent; desirable; cool, rad (1990s+ Teenagers)
The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
Cite This Source

Word of the Day

Nearby words for filthiness

Word Value for filthiness

Scrabble Words With Friends