ghoulish

adjective

1. strangely diabolical or cruel; monstrous: a ghoulish and questionable sense of humor.
2. showing fascination with death, disease, maiming, etc.; morbid: ghoulish curiosity.
3. of, relating to, or like a ghoul or ghouls.

adjective

1. of or relating to ghouls; morbid or disgusting; unhealthily interested in death