Depravity (noun)

1. Moral corruption or corruption of the mind; wickedness.
2. An act or condition of being morally corrupt or wicked.

Origin:

From latin depravitas, meaning "corruption".

Examples:

1. The depravity of the criminal's actions shocked the community.
2. The society's moral depravity is causing an increase in crime.
3. The depravity of the political regime was exposed by the opposition.
4. He was shocked by the depravity he saw in the city's slums.
5. The depravity of the human mind never ceases to amaze me.