adjective / noun
demoniac
dih-MOH-nee-ak/dɪˈmoʊniˌæk/
Possessed or seemingly controlled by an evil spirit.
In the tale, the priest confronts a demoniac man.

Etymology
The spirit root and adjective ending originally described someone possessed by a demon. The meaning widened from possession to relating to demons, and then to being devilish or demon-like.
In context
She hath a demoniac goat with horns of the devil, which reads, which writes, which knows mathematics like Picatrix
More examples
- The priest approaches the demoniac and begins to pray.
- The film shows a demoniac child speaking in a strange voice.
- Villagers in the legend believe the demoniacs need an exorcism.
Forms
demoniac · demoniacs