unhealthy
- (adjective): Characterized by, or conducive to poor health
- (adjective): Sick or ill
- (adjective): Tending to corrupt
- (adjective): Characterized by disturbed mental health
- The villagers lived in unhealthy surroundings.
- He was an unhealthy child.
- He liked unhealthy reading material.
- He had an unhealthy interest in fire.

