Very alarming or horrifying (9)
I believe the answer is:
frightful
(Other definitions for frightful that I've seen before include "ghastly" , "horrible" , "from hell" , "savage" , "very bad" .)
I've seen this clue in The Mirror.
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.