Spook

• POS: Noun, Verb (transitive)

CIDE DICTIONARY

Spook, n. [D. spook; akin to G. spuk, Sw. spöke, Dan. spögelse a specter, spöge to play, sport, joke, spög a play, joke.].

•  A spirit; a ghost; an apparition; a hobgoblin.  Ld. Lytton.  [1913 Webster]
•  The chimæra.  [1913 Webster]

OXFORD DICTIONARY

Spook, n. & v.
--n.
1 colloq. a ghost.
2 US sl. a spy.
--v. US sl.
1 tr. frighten, unnerve, alarm.
2 intr. take fright, become alarmed.

Etymology

Du., = MLG spok, of unkn. orig.

THESAURUS

Spook

Masan, affright, agent, agitate, alarm, apparition, appearance, astral, astral spirit, awe, banshee, bogey, bug, case, character, control, convulse, curdle the blood, departed spirit, discompose, disembodied spirit, disquiet, distract, disturb, duck, duppy, dybbuk, eidolon, embroil, form, fright, frighten, funk, ghost, grateful dead, guide, hant, haunt, horripilate, idolum, immateriality, incorporeal, incorporeal being, incorporeity, larva, lemures, make one tremble, manes, materialization, obsess, oddball, oddity, oni, original, perturb, phantasm, phantasma, phantom, poltergeist, possess, presence, psych, quiz, raise apprehensions, revenant, scare, shade, shadow, shake, shape, shrouded spirit, specter, spectral ghost, spirit, sprite, spy, stagger, startle, terrify, terrorize, theophany, throw, throw into confusion, trouble, undercover man, unman, unnerve, unsettle, unstring, unsubstantiality, upset, vision, walking dead man, wandering soul, wraith, zombie

ROGET THESAURUS

Spook

Demon

N demon, daemon, demonry, demonology, evil genius, fiend, familiar, daeva, devil, bad spirit, unclean spirit, cacodemon, incubus, Eblis, shaitan, succubus, succuba, Frankenstein's monster, Titan, Shedim, Mephistopheles, Asmodeus, Moloch, Belial, Ahriman, fury, harpy, Friar Rush, vampire, ghoul, afreet, barghest, Loki, ogre, ogress, gnome, gin, jinn, imp, deev, lamia, bogie, bogeyman, bogle, nis, kobold, flibbertigibbet, fairy, brownie, pixy, elf, dwarf, urchin, Puck, Robin Goodfellow, leprechaun, Cluricaune, troll, dwerger, sprite, ouphe, bad fairy, nix, nixie, pigwidgeon, will-o'-the wisp, ghost, revenant, specter, apparition, spirit, shade, shadow, vision, hobglobin, goblin, orc, wraith, spook, boggart, banshee, loup-garou, lemures, evil eye, merman, mermaid, merfolk, siren, satyr, faun, manito, manitou, manitu, possession, demonic possession, diabolic possession, insanity, Maxwell's demon, demoniac, demonic, demonical, impish, demoniacal, fiendish, fiend-like, supernatural, weird, uncanny, unearthly, spectral, ghostly, ghost-like, elfin, elvin, elfish, elflike, haunted, pokerish, possessed, possessed by a devil, possessed by a demon, demonically.