alarming
hair-curling
2.6-percent
20-minute
banshee
blood-chilling
blood-freezing
bloodcurdling
bone-chilling
death-defying
ear-splitting
eldritch
gut-wrenching
hairbreadth
harrowing
haunted-house
life-changing
near-death
nerve-racking
nerve-shattering
nightmarish
out-of-body
spine-tingling
whodunit