
1) Bugaboo 2) Creep 3) Ghost 4) Haunt 5) Phantom 6) Scare 7) Specter 8) Spy 9) Startle 10) Weirdie 11) Weirdo 12) Weirdy 13) Wraith
Found on
https://www.crosswordclues.com/clue/spook

1) Cia operative 2) Creep 3) DC Comics supervillain 4) Disagreeable person 5) Freak out 6) Frighten 7) Frighten, like a horse 8) Frighten, so to speak 9) Frighten, startle 10) Fun house figure 11) Ghost 12) Ghost-writer, slang 13) Give chills 14) Halloween apparition 15) Halloween costume 16) Halloween haunter
Found on
https://www.crosswordclues.com/clue/spook

- someone unpleasantly strange or eccentric
- a mental representation of some haunting experience
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• (n.) A spirit; a ghost; an apparition; a hobgoblin. • (n.) The chimaera.
Found on
http://thinkexist.com/dictionary/meaning/spook/

Alarming a fish, such as making too much noise, movement or casting a shadow so fish become
Found on
http://www.azgfd.gov/h_f/fishing_glossary.shtml

The act of alarming a fish in a negative way. Examples: excessive noise, casting a human shadow.
Found on
http://www.bassresource.com/fishing_lures/bass_fishing.html
Spook noun [ Dutch
spook ; akin to German
spuk , Swedish
spöke , Danish
spögelse a specter,
spöge to play, sport, joke,
spög a play, joke.]
1. A spirit; a ghost; an apparition; a hobgoblin. [ Written also
spuke .]
Ld. Lytton. ...Found on
http://www.encyclo.co.uk/webster/S/171

Spook is slang for an undercover agent, spy.
Found on
http://www.probertencyclopaedia.com/browse/ZSD.HTM

[
v] - frighten or scare, and often provoke into a violent action
Found on
http://www.webdictionary.co.uk/definition.php?query=spook
No exact match found.