17
monstrous(adjective, severe, awful, foul, extreme)
16
alarming(verb, adjective, awful, wonderful, foul)
15
repulsive(adjective, severe, pain, offensive, terrible)
15
unspeakable(adjective, awful, terrible, strange, foul)
14
harrowing(verb, adjective, endured, frightening)
14
horrific(adjective, evil, pain, awful, terrible)
14
loathsome(adjective, severe, offensive, awful, terrible)
14
revolting(adjective, severe, awful, foul, extreme)
13
dire(adjective, severe, awful, terrible, foul)
13
heinous(adjective, endured)
13
macabre(adjective, awful, grim, shocking, atrocious)
11
lurid(adjective, awful, grim, shocking, atrocious)
11
offensive(adjective, severe, pain, terrible, foul)
10
nauseating(adjective, awful, terrible, grim, shocking)
9
execrable(adjective, pain)
9
foul(adjective, endured)
9
odious(adjective, pain, endured)
9
repugnant(adjective, endured)
9
sickening(adjective, offensive, awful, terrible, vicious)
8
fearful(adjective, severe, awful, terrible, foul)
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APASmart Define. (2016). horrifying thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/horrifying/thesaurus/synonyms
ChicagoSmart Define. 2016. "horrifying thesaurus" https://smartdefine.org/horrifying/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, horrifying thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/horrifying/thesaurus/synonyms>.
MLASmart Define. "horrifying thesaurus" 3 April 2016. Web. 23 September 2026. <https://smartdefine.org/horrifying/thesaurus/synonyms>