Extremely frightening, especially in an eerie way: a spine-chilling novel. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "spine-chilling" in a sentence
"The most spine-chilling, hair-raising, blood-curdling, pimple-squeezing dreams about standing naked at a swap-meet, people pointing and laughing, me in the middle of it all slapping my ass cheeks with both hands and a sense of sheer terror jamming my ability to focus, not because I had forgotten to wear clothes, but because my wallet was in the pants I wasn't wearing."
"Created by Kentaro Miura, Berserk is a runaway manga locomotive, a crashing colossus of teeth-rattling action, spine-chilling horror, and taboo-breaking humor that fires the boilers of its devoted devotees and just fires the rest."
"Horrors movies excite us also and they are full of spine-chilling sequences."