Incubus

//ˈɪŋ.kjʊ.bəs// noun

noun ·Moderate ·College level

Definitions

Noun
  1. 1
    An evil spirit supposed to oppress people while asleep, especially to have sex with women as they sleep.
  2. 2
    a male demon believed to lie on sleeping persons and to have sexual intercourse with sleeping women wordnet
  3. 3
    A feeling of oppression during sleep, sleep paralysis; night terrors, a nightmare.

    "it increaseth fearful dreams, incubus, night-walking, crying out, and much unquietness […] ."

  4. 4
    someone who depresses or worries others wordnet
  5. 5
    Any oppressive thing or person; a burden. broadly

    "Again he felt the impulse of flight: but his body was a dry dead incubus that refused to obey his volition."

Show 2 more definitions
  1. 6
    a situation resembling a terrifying dream wordnet
  2. 7
    One of various of parasitic insects, especially subfamily Aphidiinae.

Example

More examples

"it increaseth fearful dreams, incubus, night-walking, crying out, and much unquietness […] ."

Etymology

From Late Latin incubus, from Latin incubō (“nightmare, one who lies down on the sleeper”), from incubō (“to lie upon, to hatch”, from in- (“on”) + cubō (“to lie down”)).

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.