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Definition of incubus noun from the Oxford Advanced Learner's Dictionary

incubus

noun
 
/ˈɪŋkjʊbəs/
 
/ˈɪŋkjʊbəs/
(plural incubuses, incubi
 
/ˈɪŋkjʊbaɪ/
 
/ˈɪŋkjʊbaɪ/
)
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  1. (literary) a problem that makes you worry a lot
  2. a male evil spirit, supposed in the past to have sex with a sleeping woman compare succubus
  3. Word OriginMiddle English: late Latin form of Latin incubo ‘nightmare’, from incubare ‘lie on’, from in- ‘upon’ + cubare ‘to lie’.
See incubus in the Oxford Advanced American Dictionary
buttercup
noun
 
 
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Plants and trees
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