INCUBUS

n. evil spirit; nightmare; something which causes distress or depression

Incubus may refer to:Incubus (demon), a demon in male form that lies upon sleeping women; see also Succubus, a female demon which seduces men in dreamsA women's running shoe made by ReebokA Dark Eldar warrior in the tabletop game Warhammer 40,000Incubi, a novel by Edward LeeA beer in the Belgian Tripel style made by Sly Fox Brewery in Pennsylvania, US
See more at Wikipedia.org...

Noun
1. a male demon believed to lie on sleeping persons and to have sexual intercourse with sleeping women
(hypernym) devil, fiend, demon, daemon, daimon
2. a situation resembling a terrifying dream
(synonym) nightmare
(hypernym) situation
3. someone who depresses or worries others
(hypernym) unpleasant person, disagreeable person

n. incubus, evil spirit; nightmare

(n.)
The nightmare. See Nightmare.
  

(n.)
Any oppressive encumbrance or burden; anything that prevents the free use of the faculties.
  

(n.)
A demon; a fiend; a lascivious spirit, supposed to have sexual intercourse with women by night.