GRUESOME
ghastly, grim, grisly, gruesome, macabre, sick
(adjective) shockingly repellent; inspiring horror; âghastly woundsâ; âthe grim aftermath of the bombingâ; âthe grim task of burying the victimsâ; âa grisly murderâ; âgruesome evidence of human sacrificeâ; âmacabre tales of war and plague in the Middle agesâ; âmacabre tortures conceived by madmenâ
Source: WordNet® 3.1
Etymology
Adjective
gruesome (comparative gruesomer or more gruesome, superlative gruesomest or most gruesome)
Repellently frightful and shocking; horrific or ghastly.
Source: Wiktionary
Grew"some
Definition: , Grue"some, a. Etym: [From a word akin to Dan. gru horror,
terror + -some; cf. D. gruwzaam, G. grausam. Cf. Grisly.]
Definition: Ugly; frightful.
Grewsome sights of war. C. Kingsley.
Grue"some, a.
Definition: Same as Grewsome. [Scot.]
Source: Webster’s Unabridged Dictionary 1913 Edition