Dictionary.com
definitions
  • synonyms

filthy

[fil-thee]
See more synonyms for filthy on Thesaurus.com
adjective, filth·i·er, filth·i·est.
  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 followed by with): They're filthy with money.
Show More
verb (used with object), filth·ied, filth·y·ing.
  1. to make filthy; foul.
Show More
Idioms
  1. filthy rich, outrageously wealthy; very rich.
Show More

Origin of filthy

Middle English word dating back to 1350–1400; see origin at filth, -y1
Related formsfilth·i·ly, adverbfilth·i·ness, noun

Synonym study

1. See dirty.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for filthy

Contemporary Examples

Historical Examples


British Dictionary definitions for filthy

filthy

adjective filthier or filthiest
  1. characterized by or full of filth; very dirty or obscene
  2. offensive or viciousthat was a filthy trick to play
  3. informal, mainly British extremely unpleasantfilthy weather
Show More
adverb
  1. extremely; disgustinglyfilthy rich
Show More
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

Word Origin and History for filthy

adj.

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.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper