Pronunciation: (un-hel'thē),[key] —adj.,-health•i•er, -health•i•est. 1. not in a state of good or normal health; in an unsound, weak, or morbid condition.
2. symptomatic of or resulting from bad health: an unhealthy pallor. 3. not conducive to good health; unhealthful: Night air was formerly considered unhealthy. 4. morally bad, harmful, or contaminating: unhealthy examples for the young. 5. dangerous; risky: Asking questions in this neighborhood can be unhealthy.