Creepiness :: Creepiness (n.) An uneasy sensation as of insects creeping on the skin.
Creeping :: Creeping (a.) Crawling, or moving close to the ground..
Creeping :: Creeping (a.) Growing along, and clinging to, the ground, or to a wall, etc., by means of rootlets or tendrils..
Creepingly :: Creepingly (adv.) by creeping slowly; in the manner of a reptile; insidiously; cunningly.