Unwholesome (adjective)

Not conducive to physical or moral well-being or health; harmful or corrupting.

Origin:

Late 16th century; formed from the prefix un- and the word "wholesome".

Examples:

1. The unwholesome air quality was due to the industrial pollution.
2. The unwholesome influence of the movie had a negative impact on the young viewers.
3. The unwholesome diet caused him to feel sick.
4. The unwholesome behavior of the politicians was a subject of widespread criticism.
5. The unwholesome living conditions in the slum made the residents fall ill.