spook [spook] /spuk/ Show IPA
Informal. a ghost; specter.
Slang. an eccentric person.
Slang: Disparaging and Offensive. a black person.
Slang. an espionage agent; spy.
verb (used with object)
to haunt; inhabit or appear in or to as a ghost or specter.
Informal. to frighten; scare.
verb (used without object)
to become frightened or scared:
The fish spooked at any disturbance in the pool.
1795–1805, Americanism; < Dutch; cognate with German Spuk