n.
Pronunciation: ' m ā -n ē - ə , -ny ə
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