demoniac; demoniacal

demoniac; demoniacal is an   Adverb

Definition:

[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.

Synonyms: