8
tremendous(adjective, awful, terrible, horrible, afraid)
8
ugly(adjective, plain, unpleasant, gray, revolting)
7
alarming
7
flagrant(adjective, awful, terrible, horrible, afraid)
7
nightmarish(adjective, endured, frightening)
7
spine-chilling(adjective, awful, terrible, horrible, afraid)
6
deadly(adjective, awful, terrible, horrible, afraid)
6
formidable(adjective, appearance, awful, terrible, shocking)
6
hair-raising(adjective, awful, terrible, horrible, afraid)
6
hellish(adjective, awful, terrible, horrible, afraid)
6
redoubtable(adjective, awful, terrible, strange, dreadful)
6
terrific
5
creepy(adjective, terrible, dirty, badly, scary)
5
dark
5
desperate(adjective, awful, terrible, horrible, afraid)
5
dreaded(adjective, awful, terrible, horrible, afraid)
5
flagitious(adjective, awful, terrible, horrible, afraid)
5
gastful(adjective, awful, terrible, horrible, afraid)
5
ghastful(adjective, awful, terrible, horrible, afraid)
5
gloomy(adjective, purple, discolored, bruised)
10 years ago|16k views|share |citing 
APASmart Define. (2016). grisly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/grisly/thesaurus/synonyms
ChicagoSmart Define. 2016. "grisly thesaurus" https://smartdefine.org/grisly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, grisly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/grisly/thesaurus/synonyms>.
MLASmart Define. "grisly thesaurus" 23 March 2016. Web. 22 September 2026. <https://smartdefine.org/grisly/thesaurus/synonyms>