Main Entry: mono·ma·nia

Pronunciation: \ˌmä-nə-ˈmā-nē-ə, -nyə\

Function: noun

Etymology: New Latin

Date: 1823

1 : mental illness especially when limited in expression to one idea or area of thought
2 : excessive concentration on a single object or idea

— mono·ma·ni·ac \-nē-ˌak\ noun or adjective

— mono·ma·ni·a·cal \-mə-ˈnī-ə-kəl\ adjective

— mono·ma·ni·a·cal·ly \-k(ə-)lē\ adverb