morbid

/M AO1 R B AH0 D/
adjective
  1. 1

    Of, or relating to disease.

  2. 2

    (by extension) Taking an interest in unhealthy or unwholesome subjects such as death, decay, disease.

  3. 3

    Suggesting the horror of death; macabre or ghoulish

  4. 4

    Grisly or gruesome.

Source: https://en.wiktionary.org/wiki/morbid