47 entries under frightening topic. ×

10
grim(adjective, bad, nasty, offensive, unpleasant)
9
repellent(adjective, nasty, offensive, unpleasant, awful)
8
nightmarish(adjective, terrible, endured, nightmare)
6
unpleasant(adjective, tough, severe, nasty, intense)
3
bloodcurdling(awful, terrible, dreadful, creepy)
2
ghostly(shocking, upsetting)
1
nightmare(adjective, terrible, traumatic, terrifying)
0
anemic(awful, terrible, grim, shocking, upsetting)
0
ashen(awful, grim, shocking, upsetting)
0
bloodless(awful, terrible, grim, shocking, upsetting)
0
cadaverous(shocking, upsetting)
0
corpselike(awful, terrible, shocking, upsetting)
0
deathlike(shocking, upsetting)
0
dim(awful, terrible, grim, shocking, upsetting)
0
faint(awful, terrible, grim, shocking, upsetting)
0
funereal(awful, terrible, grim, shocking, upsetting)
0
haggard(awful, grim, shocking, upsetting)
0
livid(awful, terrible, grim, shocking, upsetting)
0
mortuary(awful, terrible, grim, shocking, upsetting)
0
pallid(awful, grim, shocking, upsetting)
11 years ago|10k views|share |citing 
APASmart Define. (2015). horrendous thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/horrendous/thesaurus/synonyms
ChicagoSmart Define. 2015. "horrendous thesaurus" https://smartdefine.org/horrendous/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, horrendous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/horrendous/thesaurus/synonyms>.
MLASmart Define. "horrendous thesaurus" 17 July 2015. Web. 30 September 2026. <https://smartdefine.org/horrendous/thesaurus/synonyms>