mania mania /ˈmeɪniːə/

noun

1. () An irrational but irresistible motive for a belief or action  ( cacoethes , passion , mania )
   an irrational but irresistible motive for a belief or action
     His cacoethes for adventure drove him to climb the highest mountains and explore remote regions.
   His cacoethes for adventure drove him to climb the highest mountains and explore remote regions.
   
2. A mood disorder; an affective disorder in which the victim tends to respond excessively and sometimes violently  ( mania , manic disorder )
   a mood disorder; an affective disorder in which the victim tends to respond excessively and sometimes violently