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Synonyms

filthy

American  
[fil-thee] / ˈfɪl θi /

adjective

filthier, filthiest

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

  2. 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 bywith ).

    They're filthy with money.

  5. 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

  1. to make filthy; foul.

idioms

  1. filthy rich, outrageously wealthy; very rich.

filthy British  
/ ˈfɪlθɪ /

adjective

  1. characterized by or full of filth; very dirty or obscene

  2. offensive or vicious

    that was a filthy trick to play

  3. 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

  1. 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

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.