adjective relating to or characteristic of a demon or demons; fiendish
The word 'demoniacal' is often used in literature to describe characters or actions that are possessed or influenced by demons or evil spirits.
Within religious contexts, 'demoniacal' is used to refer to demonic possession or influence, particularly in discussions of exorcism or spiritual warfare.
In psychology, 'demoniacal' may be used metaphorically to describe extreme or irrational behavior, often associated with mental illness or psychological disorders.
In horror genres, 'demoniacal' is used to convey a sense of extreme evil or malevolence, often associated with supernatural entities or demonic forces.
The writer used demoniacal imagery to create a sense of fear and unease in the readers.
The psychologist studied the effects of demoniacal possession on the human mind.