spook
verbspooked; spooking; spooks
Definition of spook (Entry 2 of 2)
1 : haunt sense 3
2 : to make frightened or frantic : scare especially : to startle into violent activity (such as stampeding)
: to become spooked cattle spooking at shadows
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Time Traveler for spook
The first known use of spook was in 1801
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