Main Entry: ¹de·mo·ni·ac

Pronunciation: \di-ˈmō-nē-ˌak\

Variant(s): also de·mo·ni·a·cal \ˌdē-mə-ˈnī-ə-kəl\

Function: adjective

Etymology: Middle English demoniak, from Late Latin daemoniacus, from Greek daimoniakos, from daimon-, daimōn

Date: 14th century

1 : possessed or influenced by a demon
2 : demonic <demoniac rage>

— de·mo·ni·a·cal·ly \ˌdē-mə-ˈnī-ə-k(ə-)lē\ adverb