Blood-curdling (4-7)
I believe the answer is:
hair-raising
(Other definitions for hair-raising that I've seen before include "Extremely alarming" , "Very frightening" , "Very scary" .)
I've seen this clue in The Guardian.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.