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

Such short-termism is unhealthy for America’s public companies and financial markets – which are critical to economic growth and financial prosperity. The Christian Science Monitor, "Advice from the ants about grasshopper companies," 7 June 2018 Residents toughing it out in the valleys around Los Angeles and in the inland region to the east faced the possibility of unhealthy air quality. CBS News, "Southern California heat wave breaks records," 6 July 2018 Some critics of gaming disorder, including Ferguson, also worry that unhealthy gaming is merely a symptom of more serious underlying conditions, like depression, anxiety, or autism-spectrum disorder. Ian Bogost, The Atlantic, "Why Is There a ‘Gaming Disorder’ But No ‘Smartphone Disorder?’," 28 June 2018 Louisville's six unhealthy air days are far from its record. Kate Talerico, The Courier-Journal, "Louisville had worst air quality in country last weekend," 21 June 2018 The human body has an amazing ability to repair itself, but damage to unhealthy tissues can slow healing down or even prevent it. Trihealth, Cincinnati.com, "This month's episode: Orthopedic regenerative medicine," 15 June 2018 Maryland and Delaware officials argued that by judging the power plants on their average pollution outputs, EPA allows them to release unhealthy amounts of pollutants on the days when smog risks are highest. Scott Dance, baltimoresun.com, "Maryland officials press EPA to reconsider decision on upwind air pollution, threaten lawsuit," 7 June 2018 The Trump administration sure seems to have an unhealthy obsession with the City of Lawrence. Yvonne Abraham, BostonGlobe.com, "The truth about Lawrence," 14 July 2018 More: The animals were unhealthy, many of them matted and underweight. Deasia Paige, Detroit Free Press, "'Hobby breeder' made 108 animals live in feces in Washtenaw Co. home," 22 June 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

13 Oct 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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