gruesome
macabre
SMART Vocabulary: related words and phrases
Serious and unpleasant
abominable
abominably
abysmal
abysmally
apocalyptic
fraught
frightful
from hellidiom
fun
ghastliness
noxiously
objectionable
objectionably
odious
odiously
unpleasantness
unpretty
unspeakable
unspeakably
unsupportable
grisly | American Dictionary
grisly
adjective
us/ˈɡrɪz·li/
extremely unpleasant or disgusting, and usually causing fear:
There were grisly pictures of an automobile accident on the evening news.