insanitary (adjective)

1. During the Middle Ages, many cities had insanitary living conditions, leading to the spread of diseases like the Black Death.

2. The designer's collection was criticized for using insanitary materials that could be harmful to the wearer's health.

3. Why did the doctor refuse to work in the insanitary hospital? Because he couldn't stomach the filth!

4. The author vividly described the insanitary conditions in the overcrowded slums of the city in his novel.