adjective

causing an unpleasant feeling of fear or unease.

the creepy feelings one often gets in a strange house

frightening,scaring,terrifying,hair-raising,spine-chilling,blood-curdling,chilling,petrifying,alarming,shocking,harrowing,horrifying,horrific,horrible,awful,nightmarish,macabre,ghostly,disturbing,eerie,sinister,weird,menacing,ominous,threatening,eldritch,spooky,freaky,scary,hairy