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dirty

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verb

dirty

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adverb

Synonym Chooser

How does the adjective dirty differ from other similar words?

Some common synonyms of dirty are filthy, foul, nasty, and squalid. While all these words mean "conspicuously unclean or impure," dirty emphasizes the presence of dirt more than an emotional reaction to it or, figuratively, stresses meanness or despicableness.

a dirty littered street
don't ask me to do your dirty work

When is it sensible to use filthy instead of dirty?

The words filthy and dirty are synonyms, but do differ in nuance. Specifically, filthy carries a strong suggestion of offensiveness and typically of gradually accumulated dirt that begrimes and besmears. Figuratively, it can also describe disgusting obscenity.

a stained greasy floor, utterly filthy
filthy street language

When could foul be used to replace dirty?

The meanings of foul and dirty largely overlap; however, foul implies extreme offensiveness and an accumulation of what is rotten or stinking; it can also describe, for example, loathsome behavior.

a foul-smelling open sewer
a foul story of lust and greed

How does the word nasty relate to other synonyms for dirty?

Nasty applies to what is actually foul or is repugnant to one expecting freshness, cleanliness, or sweetness; in practice, however, nasty is often weakened to the point of being no more than a synonym of unpleasant or disagreeable. When used figuratively, nasty implies a peculiarly offensive unpleasantness.

it's a nasty job to clean up after a sick cat
had a nasty fall
his answer gave her a nasty shock
a stand-up comedian known for nasty humor

Where would squalid be a reasonable alternative to dirty?

While the synonyms squalid and dirty are close in meaning, squalid adds to the idea of dirtiness and filth that of slovenly neglect. Distinctively, its figurative use implies sordidness as well as baseness and dirtiness.

squalid slums
engaged in a series of squalid affairs

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of dirty
Adjective
Logsdon told the Milwaukee Journal Sentinel in December 2025 that the move represents a dirty political trick. Claudia Levens, jsonline.com, 6 Jan. 2026 The Hannah Montana alum wore her dirty blonde tresses in natural waves with full fringe, while her makeup consisted of taupe eye shadow, muted blush, and lip gloss. Hannah Malach, InStyle, 5 Jan. 2026
Verb
The ashes from the crematorium chimney covered the streets, sooted the rain, dirtied the snow, damaged the crops, infected every body. Literary Hub, 23 Oct. 2025 At Dilara Findikoglu, models looked like ladies in waiting that had risen from the dead; wearing antiquated corsetry that was dirtied and torn. Leah Dolan, CNN Money, 23 Sep. 2025 See All Example Sentences for dirty
Recent Examples of Synonyms for dirty
Adjective
  • Merry Christmas ya filthy animals.
    Virginia Chamlee, PEOPLE, 26 Dec. 2025
  • In other words, Cunha’s job is to convince the Americans now running the federal government to give Brown’s motley crew of gender-benders, anti-Semites and filthy-rich legacies a good leaving alone.
    Howie Carr, Boston Herald, 24 Dec. 2025
Adjective
  • Indonesia, with the world’s biggest Muslim population, has strict rules that ban the sharing online of content deemed obscene.
    Reuters, NBC news, 10 Jan. 2026
  • Sylvie's storylines are ridiculous, her wardrobe obscene, her audacity unparalleled.
    Sam Reed, Glamour, 6 Jan. 2026
Adjective
  • Use extra caution near the surf zone as these large waves will be capable of sweeping people into the frigid and turbulent ocean water.
    CA Weather Bot, Sacbee.com, 7 Jan. 2026
  • The story of the Platonic representation hypothesis paper began in early 2023, a turbulent time for AI researchers.
    Ben Brubaker, Quanta Magazine, 7 Jan. 2026
Adjective
  • With about six minutes remaining in the second half, fans reacted unfavorably to a foul call against Spartans forward Jaxson Kohler.
    Devon Henderson, New York Times, 6 Jan. 2026
  • But the Warriors were unable to also overcome Curry piling up four fourth-quarter fouls, which led to his first foul-out since 2021.
    Joseph Dycus, Mercury News, 6 Jan. 2026
Adjective
  • Richards has missed Palace’s previous four fixtures after picking up a nasty foot injury against Leeds in the Premier League just before Christmas.
    Greg O'Keeffe, New York Times, 12 Jan. 2026
  • Ra Shaya Kyle, feeling miserable with a nasty cold that kept her out of practice for two days, scored a career-high 30 points to lead the University of Miami women’s basketball team to an 89-73 win over rival Florida State University on Sunday afternoon at the Watsco Center.
    Michelle Kaufman, Miami Herald, 11 Jan. 2026
Adjective
  • Researchers at Shanghai Jiao Tong University in China have designed a new sodium-sulfur battery with higher power density and discharge capacity than before, enabling a cheaper, safer alternative to lithium-ion batteries.
    Ameya Paleja, Interesting Engineering, 9 Jan. 2026
  • Fentanyl is cheap, compact, and lethal at microscopic doses, produced through decentralized networks designed to survive disruption.
    Morgan Chalfant, semafor.com, 9 Jan. 2026
Adjective
  • From fragmented records to corruptible datasets and the general noise across social media, agentic systems are facing a trust and truth crisis at the most fundamental level.
    Lawrence Wintermeyer, Forbes.com, 11 Sep. 2025
  • Iran prefers weak allies over strong ones, and corrupt and corruptible governments over ones that respond to their citizens’ needs.
    Graeme Wood, The Atlantic, 2 Sep. 2025
Verb
  • This mixture attacks stains a bit stronger than the water solution.
    Daley Quinn, Southern Living, 11 Jan. 2026
  • While new doors can cost anywhere from several hundred to thousands of dollars, staining, painting, and weather stripping can be done for under $150, according to O'Reilly.
    Shagun Khare, The Spruce, 9 Jan. 2026

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Cite this Entry

“Dirty.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dirty. Accessed 13 Jan. 2026.

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Last Updated: - Updated example sentences
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