Definition of nastynext
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Synonym Chooser

How does the adjective nasty differ from other similar words?

Some common synonyms of nasty are dirty, filthy, foul, and squalid. While all these words mean "conspicuously unclean or impure," 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

When is dirty a more appropriate choice than nasty?

The words dirty and nasty are synonyms, but do differ in nuance. Specifically, 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 could filthy be used to replace nasty?

Although the words filthy and nasty have much in common, 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 would foul be a good substitute for nasty?

While in some cases nearly identical to nasty, 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

When might squalid be a better fit than nasty?

In some situations, the words squalid and nasty are roughly equivalent. However, 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 nasty O’Donnell and the President have been in a nasty feud that dates back 20 years, according to Variety. Brian Niemietz, New York Daily News, 28 Apr. 2026 However nasty and spiteful things get between the Butleys and the del Valles, there’s always the sense that a détente may still be possible. Christopher Arnott, Hartford Courant, 28 Apr. 2026 Someone who’s made tens of millions pushing a false narrative around a man who’s a pedophile, that’s a nasty thing. Marlow Stern, Variety, 28 Apr. 2026 The back parking lot, once a nasty no man’s land where drunken customers wandered off to urinate, has recently been transformed into a performance space that has hosted small gigs including Duane Betts. Jimmy Jellinek, SPIN, 27 Apr. 2026 See All Example Sentences for nasty
Recent Examples of Synonyms for nasty
Adjective
  • The drinks attract younger women, typically age 16 to 35, and are aimed at health-conscious customers that don’t want Swig’s more caloric and filling dirty sodas, CEO Alex Dunn said.
    Jordan Valinsky, CNN Money, 28 Apr. 2026
  • That wasn’t the only utensil stored in a dirty place.
    David J. Neal, Miami Herald, 28 Apr. 2026
Adjective
  • The most expensive Republican primary for governor in Georgia history is still a dead heat despite a staggering avalanche of ad spending and one of the ugliest intraparty fights in recent memory.
    Greg Bluestein, AJC.com, 30 Apr. 2026
  • Ohm, well played by Scott who can wither with you with a look, is the classic ugly American and is rude to everyone at the hotel, but those putdowns and cruelty hides his self loathing.
    Randy Myers, Mercury News, 30 Apr. 2026
Adjective
  • All this may explain why the war doesn’t linger in British memory as a painful loss.
    Daniel Immerwahr, New Yorker, 4 May 2026
  • But Saturday’s loss will hurt for a while, with Messi delivering a message to the team following the painful result.
    Anthony Chiang, Miami Herald, 3 May 2026
Adjective
  • Faced with that reality, our inability to relate to one another becomes almost obscene.
    Bilge Ebiri, Vulture, 6 May 2026
  • For instance, the ruling recognized that the government’s need to protect national security might require it to prevent publication of the number and location of troops and that the primary requirements of decency might require censorship of obscene publications.
    Encyclopedia Britannica, Encyclopedia Britannica, 29 Apr. 2026
Adjective
  • The malicious Iranian regime is our national enemy.
    Lucas Robinson, San Diego Union-Tribune, 7 May 2026
  • Under President John Adams, the Federalists sought to eradicate French ideological influence by raising the bar to citizenship, lowering the bar to deportation, and criminalizing malicious criticism of the federal government.
    Daniel Immerwahr, New Yorker, 4 May 2026
Adjective
  • From the transformative power of novels to raising a Black son in a turbulent era, Ward offers a deeply moving testament to resilience, storytelling, and the enduring beauty of life.
    Kait Hanson, Southern Living, 2 May 2026
  • Much like the rest of what’s already been a turbulent season, Orlando has made this playoff series as difficult as possible.
    Jason Beede, The Orlando Sentinel, 2 May 2026
Adjective
  • Then downstairs in the filthy little basement, where there's the stone butt carved into the wall, people knew exactly what to do.
    Matt Ortile, Condé Nast Traveler, 2 May 2026
  • Strong supports the closing of Men’s Central Jail and said the department needed to look at medical care, filthy living conditions and a lack of healthy food and clean water.
    Los Angeles Times, Los Angeles Times, 1 May 2026
Adjective
  • If plastic is a must (especially in areas prone to moisture), the vinegar, baking soda, and enzyme detergent routine should get all unpleasant smells out.
    Melissa Epifano, The Spruce, 1 May 2026
  • This can result in unpleasant odors, stains, and even mold and mildew growth.
    Maria Sabella, Better Homes & Gardens, 1 May 2026

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Cite this Entry

“Nasty.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nasty. Accessed 8 May. 2026.

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