<p><strong>Noun:</strong></p><ul><li>Informal: a ghost; specter.</li><li>Slang: a ghostwriter.</li><li>Slang: an eccentric person.</li><li>Slang (Extremely Disparaging and Offensive): a contemptuous term used to refer to a Black person.</li><li>Slang: an espionage agent; spy.</li></ul><p><strong>Verb (used with object):</strong></p><ul><li>to haunt; inhabit or appear in or to as a ghost or specter.</li><li>Informal: to frighten; scare.</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>Informal: to become frightened or scared; The fish spooked at any disturbance in the pool.</li></ul><p><strong>End of Response</strong></p>