noun
definition
Someone who is possessed by a demon.
adjective
definition
Possessed or controlled by a demon.
definition
Of or pertaining to demons; demonic.
Examples of demoniac in a Sentence
When the animal is excited, the howl changes into what has been compared to demoniac laughter, whence the name of "laughing-hyena."
Still on they came, and now the near woods resounded through all their aisles with their demoniac cry.
He was interrupted by a demoniac, but He quelled the evil spirit by a word; He was stronger than the power of evil.
The invocation of a powerful name over a thing or person brings him or it within its sphere of influence, and actually communicates thereto the demoniac or supernatural power wielded by the owner of the name.
In 441 a synod of sixteen bishops was held at Orange under the presidency of St Hilary of Arles, which adopted thirty canons touching the reconciliation of penitents and heretics; the ecclesiastical right of asylum, diocesan prerogatives of bishops, spiritual privileges of the defective or demoniac, the deportment of catechumens at worship, and clerical celibacy (forbidding married men to be ordained as deacons, and digamists to be advanced beyond the sub-diaconate).