creepy

adjective5

1. •
   (informal) causing a cold kind of fear, as if small things were moving across the skin

   • creepy ghosts
2. •
   (informal) Causing discomfort or repulsion due to strange or eccentric behavior.
3. •
   (informal, disapproving) Causing discomfort through exhibiting sexually inappropriate behavior.

   • That creepy old man keeps leering at me!
4. •
   (informal) Feeling an uneasy fearful sensation; creeped out.

   • “I felt creepy and afraid,” continued the other, with conviction. “I had the sensation of being seen by someone—as if someone, I mean, was watching me. […] — 1920
5. •
   Moving by creeping along.

   • The Beaver brought paper, portfolio, pens, / And ink in unfailing supplies: / While strange creepy creatures came out of their dens, / And watched them with wondering eyes. — 1874