Definition of "spook" [spook]

• Informal A ghost; a specter. (noun)
• Slang A secret agent; a spy. (noun)
• Offensive Slang Used as a disparaging term for a Black person. (noun)
• To haunt. (verb-transitive)
• To startle and cause nervous activity in; frighten: The news spooked investors, and stock prices fell. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I love the teeny torpedo for my home river fishing smallies, and the spook is a close second for Smallmouth also."
• "What if you pee of your stand and a monster buck walks by and happens to spook from the smell."
• "The super spook is my favorite top water muskie bait for the spring."