creepy, spooky, eerie
That’s so creepy!
Du kannst echt gruselig sein, weißt du das?
You can be really creepy, you know that?
— Harry Potter und der Stein der Weisen (2001)
Es ist mir zu gruselig, was du da machst.
What you're doing there is too creepy for me.
— Good Bye, Lenin! (2003)
This is very scary.