5
threatening(verb, adjective, dangerous, frightening)
5
wretched(adjective, awful, terrible, horrible, afraid)
4
abysmal(adjective, awful, terrible, horrible, afraid)
4
awe-inspiring(adjective, awful, wonderful, horrible, amazing)
4
bad(adjective, unpleasant, awful, terrible, disgusting)
4
beastly(adjective, unpleasant, awful, terrible, disgusting)
4
chilling(adjective, shocking, upsetting, disturbing, scary)
4
disturbing(verb, adjective, frightening)
4
execrable(adjective, unpleasant, awful, terrible, disgusting)
4
ferocious(adjective, awful, terrible, horrible, afraid)
4
flagitious(adjective, awful, terrible, horrible, afraid)
4
gross(adjective, awful, terrible, horrible, afraid)
4
scaring(verb, frightening)
4
tremendous(adjective, awful, terrible, horrible, afraid)
4
uncanny(adjective, bad, awful, disgusting, sinful)
4
ungodly(adjective, unpleasant, awful, terrible, disgusting)
3
almighty(adjective, awful, terrible, horrible, afraid)
3
blatant(adjective, awful, terrible, horrible, afraid)
3
chronic(adjective, awful, terrible, horrible, afraid)
3
crashing(adjective, awful, terrible, horrible, afraid)
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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>