85 entries under upsetting topic. ×

36
terrifying(verb, adjective, sharp, cross, awful)
30
dreadful(adjective, awful, terrible, horrible, amazing)
25
ghastly(adjective, awful, terrible, horrible, unreasonable)
23
appalling(adjective, awful, terrible, horrible, unreasonable)
23
horrible(adjective, strong, severe, intense, awful)
21
alarming(verb, adjective, offensive, awful)
21
awful(adjective, strong, severe, intense, violent)
20
horrendous(adjective, awful, terrible, horrible, shocking)
20
terrible(adjective, strong, severe, intense, awful)
13
hair-raising(adjective, excitement, awful, terrible, horrible)
10
threatening(noun, verb, adjective, person, strong)
9
dismaying(verb, adjective, hard, severe, offensive)
8
startling(verb, adjective, hard, severe, offensive)
6
chilling(adjective, shocking, disturbing, scary)
6
disturbing(verb, adjective, hard, severe, nasty)
5
distressing(adjective, hard, severe, offensive)
5
ghoulish(adjective, nasty, dark, awful, unreasonable)
5
repulsive(adjective, person, offensive, awful, feelings)
4
ominous(adjective, person, hard, feelings)
4
discouraging(verb, hard, severe, offensive, distressing)
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APASmart Define. (2016). frightening thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/frightening/thesaurus/synonyms
ChicagoSmart Define. 2016. "frightening thesaurus" https://smartdefine.org/frightening/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, frightening thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/frightening/thesaurus/synonyms>.
MLASmart Define. "frightening thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/frightening/thesaurus/synonyms>