Definition from Wiktionary, the free dictionary
- Not wholesome; unfavorable to health; insalubrious; unhealthy; as, unwholesome air; unwholesome food.
- Not sound; diseased; tainted; impaired; defective.
- Indicating unsound health; characteristic of or suggesting an unsound condition, physical or mental; repulsive; offensive.
Related terms 
- unwholesome in The Century Dictionary, The Century Co., New York, 1911