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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 The plan in Texas has ignited a nasty and partisan tug-of-war with Democratic governors in Illinois, New York and California pledging to return the favor and redraw their congressional maps to add more Democratic districts. Rebecca Morin, USA Today, 5 Aug. 2025 The adaptation – directed and cowritten by Phil Johnston (Ralph Breaks the Internet, Zootopia and Wreck-It Ralph) – marks the first time Dahl’s bestseller and its iconic characters Mr. and Mrs. Twit, the meanest, smelliest, nastiest people in the world, have been brought to the big screen. Melanie Goodfellow, Deadline, 5 Aug. 2025 Of course, Trump offered this opportunity in a nasty way. Joe Mathews, Mercury News, 2 Aug. 2025 Unfortunately, later in the day, arguments about controversial issues like politics and religion could get nasty. Georgia Nicols, Denver Post, 31 July 2025 See All Example Sentences for nasty
Recent Examples of Synonyms for nasty
Adjective
  • Beyond discomfort and potential allergic reactions, a dirty mattress can also affect the quality of your sleep itself.
    Daley Quinn, Southern Living, 11 Aug. 2025
  • Inspection reports revealed problems with mold, water leaks, dirty equipment and rooms, meat debris stuck on walls and equipment, various bugs, and, at one point, puddles of blood on the floor.
    Beth Mole, ArsTechnica, 11 Aug. 2025
Adjective
  • In the ugliest defeat of a season belatedly compiling them, the New York Mets blew an early 6-0 lead Wednesday to fall to the Atlanta Braves 11-6.
    Tim Britton, New York Times, 14 Aug. 2025
  • The Navy must address the ugly fact that, despite all the security America can provide, a diverse array of enemies, rivals and criminals can shut the Panama Canal down at virtually any time.
    Craig Hooper, Forbes.com, 14 Aug. 2025
Adjective
  • Although the condition itself isn’t typically painful, raw or blistered skin can lead to pain and swelling.7 Secondary skin infections—like if a blister is exposed to bacteria and gets infected—can also cause painful symptoms.
    Sarah Bradley, Health, 15 Aug. 2025
  • Once tooth enamel is lost, the tooth nerves are exposed, which is painful and makes the teeth sensitive.
    Thomas Westerholm, MSNBC Newsweek, 15 Aug. 2025
Adjective
  • To authenticate Trump's note and the obscene drawing that accompanied it, Journal reporters claim to have seen the album and talked to people knowledgeable about it.
    Thomas G. Moukawsher, MSNBC Newsweek, 11 Aug. 2025
  • Guests will enjoy the experience free from disruptive behavior, foul language, obscene gestures, fighting, unruly conduct or inconsiderate actions.
    Ed Masley, AZCentral.com, 9 Aug. 2025
Adjective
  • Accessing the code prompts recipients to provide personal and financial information, or can lead to downloading malicious software.
    Laura Daniella Sepulveda, AZCentral.com, 15 Aug. 2025
  • The best way to safeguard yourself from malicious links that install malware, potentially accessing your private information, is to have antivirus software installed on all your devices.
    Kurt Knutsson, FOXNews.com, 14 Aug. 2025
Adjective
  • Sheckler and Kells have used the parallels in their turbulent journeys in the spotlight to lean on one another, making their bond stronger over the years.
    Michael Saponara, Billboard, 14 Aug. 2025
  • By unifying intelligence, manufacturers can run simulations, identify vulnerabilities, and respond proactively—protecting digital and sustainability gains even in turbulent periods.
    Forbes.com, Forbes.com, 13 Aug. 2025
Adjective
  • Williams was downright filthy from May 7 through the end of June, posting a 1.45 ERA.
    Gary Phillips, New York Daily News, 5 Aug. 2025
  • The kitten was in a sad condition: overheated, wounded, filthy, and covered in fleas and feces.
    Alice Gibbs, MSNBC Newsweek, 27 July 2025
Adjective
  • Once again, America confronts the unpleasant truth that the Constitution does not expressly guarantee a right to vote — and neither will the Supreme Court.
    Sun Sentinel Editorial Board, Sun Sentinel, 12 Aug. 2025
  • The past year has been an unpleasant one for the value approach.
    John Dorfman, Forbes.com, 11 Aug. 2025

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Cite this Entry

“Nasty.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nasty. Accessed 19 Aug. 2025.

More from Merriam-Webster on nasty

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