unhealthy

adjective
un·​healthy | \ˌən-ˈhel-thē \
unhealthier; unhealthiest

Definition of unhealthy 

1 : not conducive to health : not healthful an unhealthy climate unhealthy habits unhealthy foods

2 : not in good health : sickly, diseased unhealthy animals

3a : risky, unsound an unhealthy economy

b : of a harmful nature : bad, injurious unhealthy levels of lead

c : morally contaminated : corrupt, unwholesome an unhealthy imagination

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Other Words from unhealthy

unhealthily \ˌən-​ˈhel-​thə-​lē \ adverb
unhealthiness \ˌən-​ˈhel-​thē-​nəs \ noun

Examples of unhealthy in a Sentence

Her skin looks blotchy and unhealthy. Tests revealed an unhealthy level of lead in the water. Eating honey can be unhealthy for babies. He was stuck in an unhealthy relationship. She has an unhealthy interest in natural disasters.
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Recent Examples on the Web

Football would quickly evolve into an even faster and more exciting game as some smaller and faster skill players could survive and thrive, and linemen no longer would have to exceed an inherently unhealthy 300 pounds to successfully do their jobs. WSJ, "Make Football More Agile, but Less Kinetic," 30 Nov. 2018 Remember that extreme results typically take extreme, often unhealthy measures. SELF, "Why You Should Let Go of the 'All-or-Nothing' Mindset—and How to Do It," 29 Nov. 2018 San Francisco Bay Area has had 10 continuous days of dangerously unhealthy air quality from the devastating November wildfires. Umair Irfan, Vox, "How improving air quality could add years to people’s lives around the world.," 21 Nov. 2018 Kang was criticized for seemingly shaming women about unhealthy choices. Eileen Reslen, Town & Country, "Megyn Kelly's Most Controversial Moments Ever," 26 Oct. 2018 Cher admits that sometimes on film sets, she's binged on unhealthy treats from craft services. Miranda Siwak, Good Housekeeping, "What Cher Actually Eats in a Day to Stay So Unbelievably Fit," 22 Oct. 2018 John Locher/Associated Press 1 of 19 ••••• Impacts of the fires were felt in cities far away as unhealthy smoke levels prompted warnings for people to stay indoors across California. Jim Carlton, WSJ, "Firefighters Battle Deadly California Wildfires," 12 Nov. 2018 Frequent unhealthy levels of pollution from sources ranging from vehicles to the burning of coal and wood for cooking, dust storms, or forest fires affect most of the country. Umair Irfan, Vox, "Why India’s air pollution is so horrendous," 31 Oct. 2018 Mishka, a 4-year-old sea otter, is prepared for times like these, when wildfire smoke chokes the region and air quality reaches unhealthy levels. Sean Quinton, The Seattle Times, "Mishka the asthmatic otter at Seattle Aquarium has mastered her inhaler to get through the haze," 24 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unhealthy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unhealthy

1595, in the meaning defined at sense 1

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Dictionary Entries near unhealthy

unhealed

unhealth

unhealthful

unhealthy

unheard

unheard-of

unhearing

Statistics for unhealthy

Last Updated

8 Dec 2018

Look-up Popularity

Time Traveler for unhealthy

The first known use of unhealthy was in 1595

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More Definitions for unhealthy

unhealthy

adjective

English Language Learners Definition of unhealthy

: not having or showing good health

: harmful to your health : likely to make you sick

: not doing well : not successful

unhealthy

adjective
un·​healthy | \ˌən-ˈhel-thē \
unhealthier; unhealthiest

Kids Definition of unhealthy

1 : not good for someone's health : promoting a state of poor health Smoking is an unhealthy habit.

2 : not in good health : sickly

3 : harmful, bad an unhealthy situation

Other Words from unhealthy

unhealthily \-​thə-​lē \ adverb They eat unhealthily.

unhealthy

adjective
un·​healthy | \-ˈhel-thē \
unhealthier; unhealthiest

Medical Definition of unhealthy 

1 : not conducive to health an unhealthy climate

2 : not in good health : sickly

Other Words from unhealthy

unhealthiness noun

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Comments on unhealthy

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