(informal) Eerie, or suggestive of ghosts or the supernatural. / (informal) Spooked; afraid; frightened. / (informal) Unpredictably excitable; skittish (used especially of horses).

The property of being spooky.

superlative form of spooky: most spooky

comparative form of spooky: more spooky

eerily, in a spooky manner.

(physics) Synonym of quantum entanglement

(slang) A spymaster.

plural of spookmaster

plural of spookshow

A show that involves ghosts. / (rare, derogatory) An organisation or situation that involves spies.