22 entries under frightening topic. ×

1
startling(adjective, upsetting, worrying, troubling)
1
worrying(adjective, upsetting, irritating, troublesome)
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APASmart Define. (2015). unnerving thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unnerving/thesaurus/synonyms
ChicagoSmart Define. 2015. "unnerving thesaurus" https://smartdefine.org/unnerving/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unnerving thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unnerving/thesaurus/synonyms>.
MLASmart Define. "unnerving thesaurus" 17 July 2015. Web. 28 September 2026. <https://smartdefine.org/unnerving/thesaurus/synonyms>