28 entries under frightening topic. ×

35
blood-curdling(adjective, feeling, cause, terrible, fear)
33
formidable(adjective, feeling, cause, terrible, fear)
32
sinister(adjective, feeling, cause, terrible, fear)
29
nerve-racking(adjective, feeling, cause, fear, horrible)
28
scaring(adjective, feeling, cause, awful, fear)
21
nightmarish(adjective, nasty, awful, terrible, unreasonable)
2
Kafkaesque(adjective, fearful, affecting)
1
dreading(adjective, fearful, affecting)
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APASmart Define. (2016). scary thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/scary/thesaurus/synonyms
ChicagoSmart Define. 2016. "scary thesaurus" https://smartdefine.org/scary/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, scary thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/scary/thesaurus/synonyms>.
MLASmart Define. "scary thesaurus" 3 April 2016. Web. 30 September 2026. <https://smartdefine.org/scary/thesaurus/synonyms>