1. 令人厌恶的；恐怖的；令人震惊的
Something that is gruesome is extremely unpleasant and shocking.
1. shockingly repellent
inspiring horror
e.g. ghastly wounds
the grim aftermath of the bombing
the grim task of burying the victims
a grisly murder
gruesome evidence of human sacrifice
macabre tales of war and plague in the Middle ages
macabre tortures conceived by madmen