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
Through the gut-skin axis, an unhealthy gut or ongoing internal inflammation can contribute to conditions such as acne, eczema, rosacea, dullness, and sensitive skin.
—
Tatiana Dias,
Vogue,
25 June 2026
Red meat—especially when it's processed—can be high in sodium, unhealthy saturated fats, and other potentially harmful compounds.
—
Mark Gurarie,
Health,
25 June 2026
Pruning Cut back overcrowded, broken, or otherwise unhealthy-looking branches in mid-summer when the plants have reached 12 to 18 inches in height.
—
Nadia Hassani,
The Spruce,
24 June 2026
Your kindness and understanding have enabled your son to continue his unproductive and unhealthy lifestyle, which isn’t good for any of you.
—
Jeanne Phillips,
Mercury News,
24 June 2026
See All Example Sentences for unhealthy
Tatiana Dias,
Vogue,
25 June 2026
Red meat—especially when it's processed—can be high in sodium, unhealthy saturated fats, and other potentially harmful compounds.
—
Mark Gurarie,
Health,
25 June 2026
Pruning Cut back overcrowded, broken, or otherwise unhealthy-looking branches in mid-summer when the plants have reached 12 to 18 inches in height.
—
Nadia Hassani,
The Spruce,
24 June 2026
Your kindness and understanding have enabled your son to continue his unproductive and unhealthy lifestyle, which isn’t good for any of you.
—
Jeanne Phillips,
Mercury News,
24 June 2026
See All Example Sentences for unhealthy
Recent Examples of Synonyms for unhealthy
Adjective
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The cane toad, also known as the bufo toad or the marine toad, is known for the large, poisonous glands behind its eyes that secrete toxins when it’s touched.
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Berlin — Authorities across Germany have been battling an aggressive outbreak of poisonous caterpillars, which can cause severe health issues and have led to the closure of parks and other outdoor spaces, including in Berlin.
Adjective
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Others develop dangerous fluctuations in blood pressure and abnormal heart rhythms because the autonomic nervous system becomes affected.
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Sometimes, the streets appear glittering; other times, seedy and dangerous.
Adjective
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Having a sick pet is emotionally a lot to handle.
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Preventing infestation Just because one calf is sick doesn’t mean the entire herd will get it, Cammack said.
Adjective
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Decomposing food can release hydrogen sulfide, a toxic gas synonymous with landfills and garbage.
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Low employee morale often grows from ongoing negative interactions and toxic workplace cultures.
Adjective
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Concrete casing and tubing – used to seal and extract oil – can lose integrity, causing leaks and potential hazardous gas releases.
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Concerns about hazardous chemicals led police to suggest residents evacuate, although many declined.
Adjective
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That if you were deemed, as an enslaved person, if you were deemed troublesome or in some way unwanted, you would literally be sold down the river from the more northern states to the deeper south where you would potentially be treated even worse.
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Offer Real Value, Not Leftovers Most product bundles fail not because the idea is bad but because the execution misses what consumers actually want.
Adjective
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Onshore winds are pushing smoke from the Sandy fire into Los Angeles County, where neighborhoods from the San Fernando Valley to Arcadia could face unhealthful air for sensitive groups.
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The soil may contain pathogens, pesticides and other unhealthful things.
Adjective
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Achraf Hakimi looked to have another opportunity to take an open shot on goal in the 54th minute, until Dutch defender Micky van de Ven chased him down and made a risky tackle in the goal box.
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The groups that brought the lawsuit said the rule would require students to forgo their studies or take out riskier private loans.
Cite this Entry
“Unhealthy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unhealthy. Accessed 3 Jul. 2026.
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