incubusin‧cu‧bus /ˈɪŋkjəbəs/ noun (plural incubuses or incubi /-baɪ/) [countable]Word Origin
WORD ORIGINincubus
Origin:
1300-1400Late Latin, Latinincubare; ➔ INCUBATE
Examples
EXAMPLES FROM THE CORPUS
A bog-eyed incubus on day release from hell?
From the beginning, however, the engineers, like the artillery, were free of the incubus of purchased commissions.
Public services, by comparison, are an incubus.
1someone or something that causes a lot of worries or problems: Joyce regarded his US citizenship as a moral and political incubus.2a male devil that in the past was believed to have sex with a sleeping woman →succubus