creepily

/ˈkriːpɪli/
adverb
  1. In a way that causes fear or unease; in a creepy manner.
    • The fog crept creepily through the graveyard.
    • He stared creepily at her from across the room.
    • The stranger smiled creepily and stepped closer.
Antonyms
What does "creepily" mean? | whatsthatwordmean | whatsthatwordmean