Unholy (adjective)

Not holy; not sacred; profane; immoral; wicked.

Origin:

From un- (not) + holy (sacred, pure, or morally and ethically good).

Examples:

1. The unholy alliance between the criminal and the politician was exposed.
2. The unholy war caused a lot of suffering and death.
3. The unholy practices of the cult were revealed.
4. The unholy alliance between the corporation and the government was exposed.
5. The unholy alliance between the politicians and the media was uncovered.