morbid
Definitions
Relating to or characterized by disease or unhealthy conditions.
Gruesome or disturbing, especially because concerned with death or suffering.
Excessively gloomy or preoccupied with unpleasant subjects.
Examples
He has a morbid fear of spiders.
The documentary explored a morbid subject.
Synonyms
unhealthy diseased pathological ghoulish macabre gruesome deathly