Definitionen
1.NounA ghost or phantom."The building was haunted by a couple of spooks."
2.NounA hobgoblin. (Can we verify this sense?)
3.NounA scare or fright."The big spider gave me a spook."
4.NounAn undercover agent, spy, or intelligence analyst.
5.NounA black person.
6.NounA metaphysical manifestation; an artificial distinction or construct.
7.NounA psychiatrist.
8.NounA player who engages in hole carding by attempting to glimpse the dealer's hole card when the dealer checks under an ace or a 10 to see if a blackjack is present.
9.VerbTo frighten or make nervous (especially by startling)."The hunters were spooked when the black cat crossed their path. The movement in the bushes spooked the deer and they ran."
10.VerbTo become frightened (by something startling)."The deer spooked at the sound of the dogs."
11.VerbTo haunt.