De*mo"ni*ac [L. daemoniacus, fr. daemon; cf. F. d'emoniaque. See [Demon].]

1.

Pertaining to, or characteristic of, a demon or evil spirit; devilish; as, a demoniac being; demoniacal practices.

Sarcastic, demoniacal laughter. Thackeray.

2.

Influenced or produced by a demon or evil spirit; as, demoniac or demoniacal power.

"Demoniac frenzy."

Milton.

© [Webster 1913].

De*mo"ni*ac (?), n.

1.

A human being possessed by a demon or evil spirit; one whose faculties are directly controlled by a demon.

The demoniac in the gospel was sometimes cast into the fire. Bates.

2. [Ecclesiology|Eccl.] [History|Hist.]

One of a sect of Anabaptists who maintain that the demons or devils will finally be saved.

© [Webster 1913].

Demoniac (definition)