- Folklore an evil spirit or demon who has sexual intercourse with sleeping women
- a nightmare
- anything oppressive; burden
Origin of incubusMiddle English ; from LL, nightmare (in ML, demon supposed to cause nightmares) ; from Classical Latin incubare: see incubate
nounpl. in·cu·bus·es or in·cu·bi
- An evil spirit supposed to descend upon and have sexual intercourse with women as they sleep.
- A nightmare.
- An oppressive or nightmarish burden.
Origin of incubusMiddle English, from Late Latin, alteration of Latin incub&omacron;, from incubare, to lie down on; see incubate.
(plural incubi or incubuses)
From Late Latin incubus, from Latin incubo (“nightmare, one who lies down on the sleeper”), from incubāre (“to lie upon, to hatch”), from in- (“on”) + cubāre (“to lie”).