Synonyms of creepy

1 Syllable
weird, dread
2 Syllables
dreader, itchy, ghoulish, troublous, eerier, eerie, scariest, weirder, yucky, odious, weirdest, scary, itching, spookier, dripper, jumpy, scuzzy, nerdy, dreadful, scarier, awful, spooky, yecchy, skanky
3 Syllables
direful, loathsome, gruesome, uncanny, disturbing, ominous, frightening, offputting, perturbing, terrifying, nightmarish, traumatic, macabre, repugnant, off-putting, horrible, sleazeball, unvalued, unsettling, unpleasant, upsetting, menacing, sinister, hair-raising, disgusting, furtive, threatening
4 Syllables
shuddersome, repulsive, unpopular, spine-chilling, disfavored, unaccepted, supernormal, supranormal
5 Syllables
unconformable, uncustomary