9
wicked(adjective, bad, awful, terrible, disgusting)
9
wretched(adjective, awful, terrible, horrible, afraid)
8
gory(adjective, bad, violent, shocking, explicit)
8
bad(adjective, unpleasant, awful, terrible, disgusting)
8
fearsome(adjective, bad, awful, disgusting, sinful)
8
hair-raising(adjective, bad, awful, terrible, disgusting)
7
dismal(adjective, bad, awful, gloomy, disgusting)
7
nightmarish(adjective, endured)
7
sinister(adjective, bad, awful, disgusting, sinful)
7
spooky(adjective, feature, bad, cause, awful)
7
terrific
7
tremendous(adjective, awful, terrible, horrible, afraid)
7
unearthly(adjective, bad, awful, terrible, shocking)
7
weird(adjective, bad, informal, awful, disgusting)
6
abysmal(adjective, taste, awful, terrible, horrible)
6
deadly(adjective, awful, terrible, horrible, afraid)
6
distasteful(adjective, endured)
6
flagrant(adjective, awful, terrible, horrible, afraid)
6
formidable(adjective, appearance, awful, terrible, shocking)
6
parlous(adjective, awful, terrible, horrible, afraid)
10 years ago|14k views|share |citing 
APASmart Define. (2016). gruesome thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/gruesome/thesaurus/synonyms
ChicagoSmart Define. 2016. "gruesome thesaurus" https://smartdefine.org/gruesome/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, gruesome thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/gruesome/thesaurus/synonyms>.
MLASmart Define. "gruesome thesaurus" 23 March 2016. Web. 24 September 2026. <https://smartdefine.org/gruesome/thesaurus/synonyms>