(1) - Incubus (n.) Any oppressive encumbrance or burden; anything that prevents the free use of the faculties. (2) - Incubus (n.) The nightmare. See Nightmare. (3) - Incubus (n.) A demon; a fiend; a lascivious spirit, supposed to have sexual intercourse with women by night.
(1) - Inculcate (v. t.) To teach and impress by frequent repetitions or admonitions; to urge on the mind; as, Christ inculcates on his followers humility.