3
hair-raising
3
horrible
3
intimidating(verb, adjective, frightening)
3
upsetting(adjective, disgusting, shocking, irritating, disturbing)
3
worrisome(adjective, upsetting, irritating, troublesome, worrying)
2
appalling
2
bizarre(adjective, weird, spooky)
2
chilling
2
dire
2
discomposing(upsetting, worrying, troubling)
2
disquieting(adjective, shocking, upsetting, irritating, disturbing)
2
embarrassing(adjective, upsetting, worrying, troubling)
2
enervating
2
enfeebling
2
fearful(adjective, severe, awful, terrible, extreme)
2
foul
2
frightful
2
ghostly(adjective, weird, spooky)
2
gloomy(upsetting, worrying, troubling)
2
horrendous
11 years ago|4.2k views|share |citing 
APASmart Define. (2015). unnerving thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unnerving/thesaurus/synonyms
ChicagoSmart Define. 2015. "unnerving thesaurus" https://smartdefine.org/unnerving/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unnerving thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unnerving/thesaurus/synonyms>.
MLASmart Define. "unnerving thesaurus" 17 July 2015. Web. 22 September 2026. <https://smartdefine.org/unnerving/thesaurus/synonyms>