grisly

ˈɡrɪzli

adjective

causing horror or disgust.

the town was shaken by a series of grisly crimes

gruesome,ghastly,frightful,horrid,horrifying,fearful,hideous,macabre,spine-chilling,horrible,horrendous,grim,awful,dire,dreadful,terrible,horrific,disgusting,repulsive,repugnant,revolting,repellent,sickening,distressing,shocking,appalling,abominable,loathsome,abhorrent,odious,monstrous,unspeakable,sick,sick-making,gut-churning,gross,disgustful,loathly