85 entries under severe topic. ×

3
unpleasant(adjective, person, hard, feelings)
3
upsetting(adjective, hard, offensive, disgusting)
3
worrying(adjective, hard, offensive, distressing)
2
agitating(verb, hard, offensive, distressing)
2
gloomy(hard, offensive, dark, hostile)
2
harassing(verb, hard, offensive, distressing)
2
pessimistic(hard, offensive, distressing, upsetting)
2
uncertain(hard, offensive, distressing, upsetting)
2
worrisome(adjective, hard, offensive, distressing)
1
aggressive(adjective, mean, sharp, nasty)
1
animal(adjective, strong, intense, violent)
1
blustery(adjective, strong, intense, violent)
1
boisterous(adjective, strong, intense, violent)
1
bold(adjective, strong, intense, violent)
1
brutish(adjective, strong, intense, violent)
1
burdensome(hard, offensive, distressing, upsetting)
1
cutthroat(adjective, strong, intense, violent)
1
depressing(adjective, hard, offensive, distressing)
1
difficult(hard, offensive, distressing, upsetting)
1
discomforting(hard, offensive, distressing, upsetting)
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APASmart Define. (2016). frightening thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/frightening/thesaurus/synonyms
ChicagoSmart Define. 2016. "frightening thesaurus" https://smartdefine.org/frightening/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, frightening thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/frightening/thesaurus/synonyms>.
MLASmart Define. "frightening thesaurus" 23 March 2016. Web. 28 September 2026. <https://smartdefine.org/frightening/thesaurus/synonyms>