unhealthy

adjective
un·​healthy | \ ˌən-ˈhel-thē How to pronounce unhealthy (audio) \
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 How to pronounce unhealthily (audio) \ adverb
unhealthiness \ ˌən-​ˈhel-​thē-​nəs How to pronounce unhealthiness (audio) \ noun

Synonyms & Antonyms for unhealthy

Synonyms

insalubrious, noisome, noxious, sickly, unhealthful, unwholesome

Antonyms

healthful, healthy

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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

Tall, thin and vampire pale, Travis admits his lifestyle is unhealthy and extreme. Chicago Tribune Staff, chicagotribune.com, "Daywatch: How Asian carp could survive and thrive in Lake Michigan, plans for a Peotone airport are back and other things to know to start your day," 13 Aug. 2019 Dishonesty motivated by anticipated consequences can also surround unhealthy and even perilous habits. Candice Jalili, Time, "Why Some People Lie to Their Therapists," 25 July 2019 Car commuting, on the other hand, makes people miserable, unhealthy and violent. Eben Weiss, Outside Online, "Why You Should Care That Fewer Kids Are Riding Bikes," 25 July 2019 Actor Ryan Reynolds wrote an editorial in 2007 calling out contest the contests for being unhealthy and ignoring world hunger. Scott Gleeson, USA TODAY, "Hot dog champion Joey Chestnut blasts sportswriter for criticizing competitive eating," 4 July 2019 Euromonitor, a research firm, reckons Indonesians spend a hefty $25bn or so a year on cigarettes, including kretek, local favourites which contain cloves as well as tobacco and are especially unhealthy. The Economist, "Indonesia seeks to curb e-cigarettes, but not the normal sort," 2 Aug. 2019 Air quality levels will be unhealthy for sensitive groups of people such as children, older adults and those with breathing difficulties, NWS said. Robin Goist, cleveland.com, "NOACA issues air quality advisory for Northeast Ohio," 26 July 2019 The current direction of youth sports is unhealthy for kids and doesn’t serve their best interests. Mercury News & East Bay Times Editorial Boards, The Mercury News, "Editorial: Soccer, other youth sports becoming rich kids’ games," 24 July 2019 The warning indicates that the air is unhealthy for children, the elderly or people with heart or lung conditions. Yvonne Wenger, baltimoresun.com, "Temperatures reached 100 Saturday in Baltimore. More scorching heat is on the way.," 21 July 2019

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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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 How to pronounce unhealthy (audio) \
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 How to pronounce unhealthy (audio) \
unhealthier; unhealthiest

Medical Definition of unhealthy

1 : not conducive to health an unhealthy climate
2 : not in good health : sickly

Other Words from unhealthy