1. (n.) A demon or fiend; especially, a lascivious spirit supposed to have sexual intercourse with the men by night; a succuba. Cf. Incubus.

2. (n.) The nightmare. See Nightmare.

Baba Yaga Dracula Frankenstein Lilith Satan Wolf-man afreet barghest bogey bogeyman bugaboo bugbear cacodemon daeva demon devil dybbuk evil genius evil spirit fee-faw-fum fiend fiend from hell frightener genie genius ghost ghoul gyre hellion hobgoblin holy terror horror incubus jinni jinniyeh lamia monster nightmare ogre ogress phantom rakshasa revenant satan scarebabe scarecrow scarer shedu specter terror the undead vampire werewolf yogini