Spooky has 2 different meanings across 1 category:
Adjective
Adjective
1
unpredictably excitable (especially of horses)
"The stallion became spooky in the barn when a stray fly landed on his nose, causing him to rear up and bolt without any warning."
2
Eerie, or suggestive of ghosts or the supernatural.
"The abandoned house at the end of the road felt so spooky that I couldn't bring myself to drive past it after dark."