2
severe(adjective, dangerous)
2
sickening(adjective, awful, terrible, disgusting, grim)
2
somber
2
spine-tingling(horrible, shocking, ghastly, breathtaking, grisly)
2
touchy
2
ugly(adjective, horrible, revolting, repulsive, repugnant)
2
unearthly(awful, terrible, shocking, upsetting, frightening)
2
unnatural(awful, terrible, grim, shocking, upsetting)
2
unspeakable(adjective, unpleasant, awful, foul, disgusting)
2
upsetting(adjective, disgusting, shocking, disturbing, scary)
2
vile(adjective, unpleasant, awful, disgusting, dreadful)
1
wondrous(adjective, awful, wonderful, amazing, grand)
1
abject
1
acute(adjective, dangerous)
1
affrighting
1
aggressive(adjective, mean, sharp, harsh, cross)
1
agitating(verb, frightening)
1
agonizing
1
antagonistic(adjective, mean, sharp, harsh, cross)
1
baleful
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APASmart Define. (2016). terrifying thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/terrifying/thesaurus/synonyms
ChicagoSmart Define. 2016. "terrifying thesaurus" https://smartdefine.org/terrifying/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, terrifying thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/terrifying/thesaurus/synonyms>.
MLASmart Define. "terrifying thesaurus" 3 April 2016. Web. 23 September 2026. <https://smartdefine.org/terrifying/thesaurus/synonyms>