unhealthy

characterized by, or conducive to poor health

The villagers lived in unhealthy surroundings.

It makes up an estimated 73 percent of the U.S. food supply, and contains stereotypically “unhealthy” products like sodas, candies and hot dogs as well as seemingly “healthy” ones like whole grain breads, breakfast cereals, flavored yogurts and plant milks.

sick or ill

He was an unhealthy child.

‘And at once he'll be on his high-horse – he knows everything! – and he'll prove, prove, that all unhealthy children must be lethal-chambered or the world will go to pieces.’

tending to corrupt

He liked unhealthy reading material.

characterized by disturbed mental health

He had an unhealthy interest in fire.