50 entries under awful topic. ×

8
abhorrent(adjective, nasty, pain, unpleasant)
8
bloodcurdling(adjective, nasty, unpleasant, terrible)
8
terrifying(adjective, tough, difficult, terrible)
6
ghoulish(adjective, terrible, shocking, dreadful)
6
monstrous(adjective, bad, great, nasty)
6
unspeakable(adjective, nasty, unpleasant, terrible)
5
creepy(adjective, nasty, terrible, strange)
5
hair-raising(adjective, nasty, unpleasant, terrible)
5
morbid(adjective, bad, terrible, immoral)
5
redoubtable(adjective, tough, difficult, terrible)
5
repellent(adjective, nasty, pain, vile)
5
sickening(adjective, bad, terrible, disgusting)
5
tremendous(adjective, bad, great, tough)
4
eerie(adjective, nasty, unpleasant, terrible)
4
nauseating(adjective, nasty, vile, vulgar)
4
unearthly(adjective, bad, terrible, strange)
3
sinister(terrible, dreadful)
2
abysmal(adjective, terrible, dreadful, hellish)
2
astounding(terrible, disgusting, shocking, dreadful)
2
baleful(terrible, dreadful)
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APASmart Define. (2016). horrific thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/horrific/thesaurus/synonyms
ChicagoSmart Define. 2016. "horrific thesaurus" https://smartdefine.org/horrific/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, horrific thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/horrific/thesaurus/synonyms>.
MLASmart Define. "horrific thesaurus" 23 March 2016. Web. 1 October 2026. <https://smartdefine.org/horrific/thesaurus/synonyms>