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Showing results for unhealthy. Search instead for unhealthiest.
Synonyms

unhealthy

American  
[uhn-hel-thee] / ʌnˈhɛl θi /

adjective

unhealthier, unhealthiest
  1. not in a state of good or normal health; in an unsound, weak, or morbid condition.

    Synonyms:
    sickly
  2. symptomatic of or resulting from bad health.

    an unhealthy pallor.

  3. not conducive to good health; unhealthful.

    Night air was formerly considered unhealthy.

    Synonyms:
    deleterious, unhygienic
  4. morally bad, harmful, or contaminating.

    unhealthy examples for the young.

  5. dangerous; risky.

    Asking questions in this neighborhood can be unhealthy.


unhealthy British  
/ ʌnˈhɛlθɪ /

adjective

  1. characterized by ill-health; sick; unwell

  2. characteristic of, conducive to, or resulting from ill-health

    an unhealthy complexion

    an unhealthy atmosphere

  3. morbid or unwholesome

  4. informal dangerous; risky

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of unhealthy

First recorded in 1585–95; un- 1 + healthy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Repeated exposure to unhealthy foods may gradually damage or disrupt communication between the gut and the brain, making it harder for the memory system to function normally.

From Science Daily Jul. 29, 2026

Staying, she said, is not just a nuisance but also unhealthy.

From Los Angeles Times Jul. 23, 2026

And that’s how it should be anyway, because that’s where the unhealthy germs are.

From The Wall Street Journal Jul. 22, 2026

Add to this the sugar-hit snacking that keeps some shift workers going overnight and it makes for an extremely unhealthy cocktail.

From BBC Jul. 19, 2026

She was moved to a room on the side of the White House away from the unhealthy river air.

From "Ambushed!" by Gail Jarrow

If a significant proportion of shoppers believe that healthy products taste bad, the putting a healthiness-grade on the package will likely lead to them choosing unhealthier options.

From Salon Aug. 1, 2024

"In our study, we classified avocados as a vegetable and did see an increase in vegetable consumption attributed to the avocado intake, but also participants used the avocados to replace some unhealthier options."

From Science Daily Mar. 22, 2024

Mohiuddin says he’s concerned that overtampering with the pig genome could lead to unhealthier pigs and lower-performing donor kidneys.

From Scientific American Oct. 11, 2023

But ShareAction said it also wanted Nestle to reduce the amount of unhealthier foods it sells.

From BBC Apr. 19, 2023

After all, it had been an unhealthier spot a year ago than it yet threatened to become again.

From Notes of a Camp-Follower on the Western Front by Hornung, E. W. (Ernest William)

Several factors have led to this remarkable change, which has helped turn the U.S. into one of the unhealthiest countries among the world’s advanced economies.

From The Wall Street Journal Oct. 5, 2025

Grande added, "There are many different ways to look healthy and beautiful. I know personally for me, the body you've been comparing my current body to was the unhealthiest version of my body."

From Salon Nov. 21, 2024

Sequoia and Kings Canyon National Parks topped the list of national parks with the unhealthiest air in the country, followed by Joshua Tree National Park.

From Los Angeles Times Mar. 20, 2024

Grande said they were "comparing my current body" to "the unhealthiest version of my body".

From BBC Apr. 12, 2023

On May 4th, we relieved the 6th Battalion in the right or "Route A Keep" sub-sector, undoubtedly the unhealthiest part of the whole Divisional front.

From The Sherwood Foresters in the Great War 1914 - 1919 History of the 1/8th Battalion by Weetman, W. C. C.

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