blood-curdling
adjective
[ ˈblʌdkəːdlɪŋ ]
• causing or expressing terror or horror.
• "a blood-curdling scream"
Similar:
terrifying,
frightening,
spine-chilling,
hair-raising,
chilling,
horrifying,
petrifying,
alarming,
shocking,
scaring,
eerie,
sinister,
fearsome,
horrific,
horrible,
horrendous,
fearful,
appalling,
eldritch,
spooky,
scary,
creepy,
