Creepy
Synonyms: Frightening, terrifying, spine-chilling, chilling, alarming, harrowing, horrific, awful, macabre, disturbing, sinister, menacing, threatening, spooky, scary, scaring, hair-raising, blood-curdling, petrifying, shocking, horrifying, horrible, nightmarish, ghostly, eerie, weird, ominous, eldritch, freaky, and hairy.
Example Sentences
That old house looks creepy tonight.
He told a creepy ghost story.
There’s a creepy sound outside.
The abandoned building feels creepy inside.