Definitions:

1. Disturbing and horrifying because of involvement with or depiction of death and injury. ADJECTIVE
   • The macabre dance of death was a medieval allegorical concept.
2. Used to describe something that is very strange and unpleasant because it is connected with death or violence. ADJECTIVE
   • Even the police were horrified at the macabre nature of the killings.

Synonyms:

• frightening
• ghastly
• ghostly
• grisly
• gruesome
• lurid
• morbid