Main Entry: ma·nia

Pronunciation: \ˈmā-nē-ə, -nyə\

Function: noun

Etymology: Middle English, from Late Latin, from Greek, from mainesthai to be mad; akin to Greek menos spirit — more at mind

Date: 14th century

1 : excitement manifested by mental and physical hyperactivity, disorganization of behavior, and elevation of mood; specifically : the manic phase of bipolar disorder
2 a : excessive or unreasonable enthusiasm <a mania for saving things> —often used in combination b : the object of such enthusiasm