In a manner that is eerie or frightening

भयानक तरीके से

English Usage: The house was spookily quiet at night.

Hindi Usage: रात को घर भयानक तरीके से शांत था।

Causing a feeling of unease or fear

डरावना

English Usage: She told a spooky story around the campfire.

Hindi Usage: उसने कैंपफायर के चारों ओर एक डरावनी कहानी सुनाई।