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 The race between Dominguez and Karlton was the nastiest in this year’s election cycle in Miami Beach — even including the contest for mayor. Aaron Leibowitz, Miami Herald, 5 Nov. 2025 While the Buffalo secondary deserves a hat tip, the Chiefs’ offensive line — which had been good enough coming into the game — was porous (and injured) at times, leaving Mahomes vulnerable to take on some nasty hits. Kansas City Star, 3 Nov. 2025 Add the fact that two of California’s refinery operations that produce this special blend of fuel are closing, and Newsom is looking at the nasty potential for unexpected gasoline shortages and hefty price spikes on fuel. Will Oneill, San Diego Union-Tribune, 3 Nov. 2025 Skattebo suffered a nasty injury in his team's matchup against the Philadelphia Eagles, requiring him to be carted off the field and receive an evaluation. Matthew Couden, MSNBC Newsweek, 29 Oct. 2025 See All Example Sentences for nasty
Recent Examples of Synonyms for nasty
Adjective
  • The checklist for cleaning the kitchen was probably just washing dirty dishes, wiping down countertops, and mopping the floors.
    Elizabeth Brownfield, Southern Living, 7 Jan. 2026
  • Don't be afraid to get your hands dirty.
    Shagun Khare, Martha Stewart, 6 Jan. 2026
Adjective
  • Not because the moms themselves are toxic people, but because the dynamic shifts into an ugly place with mean-girl behavior.
    Madison E. Goldberg, PEOPLE, 7 Jan. 2026
  • Sure, coach Mike Tomlin's teams tend to win ugly games, but not in the playoffs — at least not lately.
    Austin Mock, New York Times, 7 Jan. 2026
Adjective
  • Proper skin preparation is key to making your wax sessions less painful.
    Tatayana Yomary, Essence, 7 Jan. 2026
  • The high fevers, hospitalizations, and dehydration that these illnesses cause can be painful and disruptive—and, with vaccines, avoidable.
    Tom Bartlett, The Atlantic, 7 Jan. 2026
Adjective
  • Banners containing commercial, political or obscene material, or that block guest views.
    Ed Masley, AZCentral.com, 4 Nov. 2025
  • Just another week in the world of Ball, who was fined $35,000 by the NBA on Monday for making an obscene gesture in the fourth quarter of the Hornets’ 144-117 loss to Miami.
    Roderick Boone, Charlotte Observer, 2 Nov. 2025
Adjective
  • The best way to safeguard yourself from malicious links that install malware, potentially accessing your private information, is to have strong antivirus software installed on all your devices.
    Kurt Knutsson, FOXNews.com, 8 Nov. 2025
  • For many of Modi’s supporters, Mamdani’s rhetoric is seen as a malicious attack on the country’s majority religion.
    Rhea Mogul, CNN Money, 7 Nov. 2025
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
  • The couple slept on a filthy mattress on the floor with their 4-year-old son, Stephano.
    Daniel Gonzalez, AZCentral.com, 6 Nov. 2025
  • The big comedy set pieces overwhelm Miller’s attempts at satire, but any movie that has Nicholson casually dropping filthy double (and single) entendres beneath arched eyebrows is worth a look.
    Keith Phipps, Vulture, 31 Oct. 2025
Adjective
  • Using a speaker outside the stall results in reverb and echoing as the music bounces around the bathroom walls, making the sound muddy and unpleasant.
    BestReviews, Chicago Tribune, 8 Jan. 2026
  • Given the lack of gravity, even a runny nose can turn into an extremely unpleasant experience, forcing astronauts to resort to unusual measures just to drain mucus from their nasal passages.
    Victor Tangermann, Futurism, 8 Jan. 2026

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Cite this Entry

“Nasty.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nasty. Accessed 9 Jan. 2026.

More from Merriam-Webster on nasty

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