filthy

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filthy

  • /ˈfɪlθi/

Where it comes from

From Middle English filthy, filthi, equivalent to filth + -y.

adjective filthier · filthiest

  1. Covered with filth; very dirty. The coaches were filthy outside and did not appear to have been painted or washed for years. Inside there were uncomfortable seats covered with a cane-like material.

    Similar: sleazy, slimy, grimy, horry

  2. Obscene or offensive. Filthy smirking Pat Robertson has come in second in the Iowa Republican caucuses.

    Similar: gruesome, smutty

  3. Very unpleasant or disagreeable. Oh, that filthy dream again. Nightmares are bad enough but when it comes to night-toads—!
  4. Australia, slang Angry; upset; severely annoyed. Terrific fun it was. My best mate saved me, and the teacher was filthy.

Opposite: pristine, holy, venerable

verb filthies · filthying · filthied

  1. transitive To make very dirty; to saturate something with dirt. In the years following World War Two, Americans cut down vast forests, built thousands of factories, assembled millions of atmospherically toxic automobiles, and filthied the water throughout North America.
  2. transitive To cover in filth. He shouldered his way inside, filthying his T-shirt on the charred wood.

Thesaurus

Closest in meaning: unclean, soiled, foul, dirty, nasty, smutty, lousy, vile, awful, inclement, filth, squalid, scum, polluted, rotten, horrid

adjective

Opposite: pristine, holy, venerable

Translations

Every language

adj covered with filth; very dirty

Españolsucio, mugriento, mugroso, inmundo, cochambroso
한국어누추 nuchu
日本語薄汚い usugitanai
中文污穢 /污秽 wūhuì
Portuguêsimundo
Françaiscrasseux, cradingue
Deutschdreckig, verdreckt, versifft
Italianosudicio, lercio
Русскийгря́зный grjáznyj, запа́чканный zapáčkannyj, замы́зганный zamýzgannyj

adj obscene or offensive

Españolsucio, obsceno, guarro, pelado
Portuguêssujo
Deutschdreckig, schmutzig
Italianoosceno, sconcio, laido, indecente, immorale
Русскийгря́зный grjáznyj, непристо́йный nepristójnyj, неприли́чный neprilíčnyj, по́шлый póšlyj, вульга́рный vulʹgárnyj, непотре́бный nepotrébnyj

adj very unpleasant or disagreeable

Deutschwiderlich, schmutzig, unsauber

verb to make dirty throughout; to contaminate

Deutschverschmutzen

verb to cover in filth

Deutschbeschmutzen

Talk about this word

Cite this
MLA

"filthy." Wiktionary, via Micwyn, micwyn.com/word/filthy. Accessed 6 Nov. 2026.

APA

filthy. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/filthy

Chicago

"filthy." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/filthy.

BibTeX
@misc{filthy_2026,
  title = {filthy},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/filthy},
  urldate = {2026-11-06}
}