adj., -i·er, -i·est.

1. 1. Being in a state of ill health; sick.
   2. Characterized by or symptomatic of ill health: an unhealthy pallor.
   3. Causing or conducive to poor health; unwholesome: an unhealthy diet.
2. Harmful to character or moral health; corruptive: unhealthy reading material.
3. Characterized by or symptomatic of disturbed mental health: took an unhealthy interest in violence and fires.
4. Of a risky nature; dangerous: an unhealthy predicament.

unhealthily un'health'i·ly adv.
unhealthiness un·health'i·ness n.

adjective

1. Not sustaining or promoting health: insalubrious, unsalutary, unwholesome. See health/sickness.
2. Morally detrimental: contaminative, corruptive, demoralizing, unwholesome. See right/wrong.
3. Utterly reprehensible in nature or behavior: corrupt, degenerate, depraved, flagitious, miscreant, perverse, rotten, villainous. See clean/dirty, good/bad.
4. Susceptible to or marked by preoccupation with unwholesome matters: macabre, morbid, sick, unwholesome. See good/bad.

adj

Definition: sick
Antonyms: healthy, strong, well

adj

Definition: very bad in effect
Antonyms: good, healthy

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Note: click on a word meaning below to see its connections and related words.

The adjective has 3 meanings:

Meaning #1: not in or exhibiting good health in body or mind
  Antonym: healthy (meaning #1)

Meaning #2: detrimental to health
  Synonyms: insalubrious, unhealthful

Meaning #3: not conducive to good health

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Dansk (Danish)
adj. - usund

Nederlands (Dutch)
ongezond, ziek(elijk), morbide, gevaarlijk

Français (French)
adj. - (Méd, fig) maladif, malsain, insalubre

Deutsch (German)
adj. - ungesund, krankhaft, schlecht, schädlich, (ugs.) gefährlich

Ελληνική (Greek)
adj. - ανθυγιεινός, νοσηρός, αρρωστιάρης

Italiano (Italian)
malsano, insalubre

Português (Portuguese)
adj. - doente, insalubre

Русский (Russian)
нездоровый, не полезный для здоровья

Español (Spanish)
adj. - enfermo, enfermizo, insalubre, malsano

Svenska (Swedish)
adj. - ohälsosam

中文（简体） (Chinese (Simplified))
不健康的, 对健康有害的

中文（繁體） (Chinese (Traditional))
adj. - 不健康的, 對健康有害的

한국어 (Korean)
adj. - 건강하지 못한, 비위생적인, 위험한

日本語 (Japanese)
adj. - 健康でない, 不健康そうな, 健康によくない, 危険な, 不健全な, 不健康な, 健康に害のある

العربيه (Arabic)
‏(صفه) ضار بالصحه, مرضي‏

עברית (Hebrew)
adj. - ‮לא בריא, חולני, מזיק לבריאות, מסוכן‬

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