Horrific (adjective)

1. Extremely shocking or terrifying.
2. Causing horror or disgust.

Origin:

Late 16th century: from latin horrificus, from horrifacere, from horrere "to shake with terror" + facere "do".

Examples:

1. The news of the terrorist attack was horrific.
2. The accident was horrific, with many people injured.
3. The video of the murder was horrific.
4. The sight of the burned-out building was horrific.
5. The crime scene was so horrific that the officers were affected by it.