Is There a Word Spookiest?

eerie, uncanny, unearthly, weird.

Is Spooky a noun?

adjective, spook·i·er, spook·i·est. Informal. like or befitting a spook or ghost; suggestive of spooks.

Is Spooky an adjective or a noun?

spooky. / (ˈspuːkɪ) / adjective spookier or spookiest informal. ghostly or eeriea spooky house. resembling or appropriate to a ghost.