Noun(1) someone who acts as if possessed by a demon
Adjective(1) of, pertaining to, or like a demon or possession by a demon
(1) I closed the drawer, I hopped and gloated and laughed, triumphing, completely maniacal, demoniac .(2) In the Middle Ages compassion and support for persons with mental illness subsisted along with the belief in demoniac possession as a primary aetiology of mental illness.(3) Her silky mane of angelic blonde hair still remained unchanged, but it now looked hideously out of place on her demoniac head.(4) Eustace's first act was to bless a holy well at Wye, where many healing miracles were reported and a woman was cured of demoniac possession.(5) The six-storey tall screen captures the demoniac fury of the falls in such realistic detail that you cringe with fear as you watch it.(6) One of them gives a demoniac plan, and another comes and gives a demoniac clap to it.(7) Barely average height, his flashing, sometimes demoniac approach, which so contrasted with the measured Kemble school, made him one of the most controversial of the early 19th-century actors, generating as much abuse as admiration.(8) With the energy of a demoniac , Moby exploded around the stage leaping and bouncing under an impressive lighting system that provided a devilish hue for the night's opening anthems ├ö├ç├┐Machete├ö├ç├û and ├ö├ç├┐Porcelain.├ö├ç├û(9) Oh, he's always stunning├ö├ç┬¬ but when he's sitting and doing nothing he looks angelic and all the rest of the time demoniac .(10) We've all heard the saying, ├ö├ç├┐Actions speak louder than words,├ö├ç├û and the story of the demoniac in Capernaum is an excellent illustration of its truth.(11) When the Count saw my face, his eyes blazed with a sort of demoniac fury, and he suddenly made a grab at my throat.(12) This psychic disposition is marked by darkness, strife, escapism and demoniacal possession.(13) He uttered veiled threats; for example, he would cackle demoniacally and wail in a sepulchral voice.(14) In the meantime, generations of scientists had ├ö├ç├┐proved├ö├ç├û that women were witches, demoniacs , or hysterics.(15) There is no passion so demoniacally impatient as that of him who, shuddering upon the edge of a precipice, thus mediates a plunge.(16) While Nickell mentioned that many early cases of possession were probably due to disorders such as epilepsy or Tourette's syndrome, pharmacology may also play an increasing role in treating alleged demoniacs .