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1. An irrational but irresistible motive for a belief or action
   - passion, cacoethes
    
2. A mood disorder; an affective disorder in which the victim tends to respond excessively and sometimes violently
   - manic disorder

Derived forms: manias

See also: manic

Type of: affective disorder, emotional disorder, emotional disturbance, irrational motive, major affective disorder

Encyclopedia: Mania