adj. un·health·i·er,
un·health·i·est 1. a. Being in a state of ill health; sick.
b. Characterized by or symptomatic of ill health: an unhealthy pallor.
c. Causing or conducive to poor health; unwholesome: an unhealthy diet.
2. Harmful to character or morality; 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.