1
as in poisonous
bad for the well-being of the body
we knew that the junk food at the carnival was unhealthy, but it tasted so good!
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in dangerous
involving potential loss or injury
criticism of the military dictatorship has proved to be unhealthy for several of that nation's journalists
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in sick
temporarily suffering from a disorder of the body
she's been unhealthy for almost a week now
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of unhealthy
Air quality is currently unhealthy to very unhealthy across much of the state, posing risks for all residents, especially sensitive groups.
—
Sarah Moore, Freep.com, 1 Aug. 2025
In addition to the above, several New York, New Jersey and Connecticut counties were under air quality alert due to ozone pollution, which local authorities said could reach potentially unhealthy levels.
—Joe Edwards, MSNBC Newsweek, 25 July 2025
Warm, sunny weather optimizes the conditions for this sort of reaction, meaning unhealthy ozone levels are often seen in the summer.
—Maia Pandey, jsonline.com, 24 July 2025
The air quality alert, which is classified as a code orange, meaning ozone levels could become unhealthy for sensitive groups like children, seniors and those with pre-existing conditions, is in place for most of the day on July 23.
—Marina Johnson, Louisville Courier Journal, 23 July 2025
See All Example Sentences for unhealthy
Sarah Moore, Freep.com, 1 Aug. 2025
In addition to the above, several New York, New Jersey and Connecticut counties were under air quality alert due to ozone pollution, which local authorities said could reach potentially unhealthy levels.
—Joe Edwards, MSNBC Newsweek, 25 July 2025
Warm, sunny weather optimizes the conditions for this sort of reaction, meaning unhealthy ozone levels are often seen in the summer.
—Maia Pandey, jsonline.com, 24 July 2025
The air quality alert, which is classified as a code orange, meaning ozone levels could become unhealthy for sensitive groups like children, seniors and those with pre-existing conditions, is in place for most of the day on July 23.
—Marina Johnson, Louisville Courier Journal, 23 July 2025
See All Example Sentences for unhealthy
Recent Examples of Synonyms for unhealthy
Adjective
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Gastroenteritis is a good reason to refrain from consuming cocaine, various heavy metals or poisonous mushrooms.—
Bruce Y. Lee,
Forbes.com,
29 July 2025
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Then his heart beat its last, and the poisonous moth embraced him.—
Ingrid Vasquez,
People.com,
24 July 2025
Adjective
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But having too few senescent cells is dangerous, because senescence helps block tumors.—
Tad Friend,
New Yorker,
4 Aug. 2025
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Easter said police recently secured a court order for two vehicles – a Toyota Chaser and a Yamaha R1 – to be destroyed after they were connected to dangerous driving activities.—
Caleb Lunetta,
Mercury News,
4 Aug. 2025
Adjective
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Not every mosquito carries West Nile virus, and not everyone who contracts the virus will get sick.—
Madeline Heim,
jsonline.com,
28 July 2025
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Cena took the opportunity to chug water to avoid getting sick.—
Dessi Gomez,
Deadline,
26 July 2025
Adjective
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Evidence, while not conclusive, suggested the babies died from breathing in toxic black mold contaminating their homes due to water leaks.—
Matt Fuchs,
Time,
28 July 2025
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But too much of one specific type of algae can be toxic, causing a harmful algal bloom, also sometimes known as a red tide.—
Lex Harvey,
CNN Money,
26 July 2025
Adjective
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Despite receiving safety stamps of approval, the process for building the Las Vegas tunnels came under fire for worker safety violations and concerns, with the project being cited for numerous violations that included injuries and exposure to hazardous materials.—
Karoline Leonard,
Austin American Statesman,
31 July 2025
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Grants will be given to projects that remove or reduce hazardous wood materials National Forest System Lands.—
Noël Fletcher,
Forbes.com,
30 July 2025
Adjective
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Truth be told, neither outcome would have been a bad choice.—
Blake Oestriecher,
Forbes.com,
4 Aug. 2025
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The tab can easily run into thousands of dollars A bad adapter might even expose vehicles and chargers — conceivably, even your home — to cybersecurity threats.—
Mark Phelan,
Freep.com,
3 Aug. 2025
Adjective
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The change comes amid concerns about fireworks causing unhealthful air.—
Rong-Gong Lin II,
Los Angeles Times,
19 June 2025
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The unhealthful effects of autocracy remain robust even when accounting for economic differences and when excluding Venezuela and its collapsing health-care system.—
Thomas J. Bollyky,
Foreign Affairs,
30 Jan. 2020
Adjective
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The National Heart, Lung, and Blood Institute (NHLBI) highlights how sleep deficiency, on the other hand, impairs these abilities and is linked to emotional issues, depression, and risky behaviors—especially in children and teens.—
Lucy Notarantonio,
MSNBC Newsweek,
31 July 2025
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But through the sheer power of mixing genes into new combinations, the risky gamble of interspecies pairings has also sometimes majorly paid off.—
Katherine J. Wu,
The Atlantic,
31 July 2025
Cite this Entry
“Unhealthy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unhealthy. Accessed 7 Aug. 2025.
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