mania
Cross references: 1. insanity ma.nia \'ma--ne--* also -ny*\ n [ME, fr. LL, fr. Gk mainesthai to be mad; akin to Gk menos spirit -m more at MIND 1: excitement manifested by mental and physical hyperactivity, disorganizat ion of behavior, and elevation of mood; specif : the manic phase of manic-depressive psychosis 2: excessive or unreasonable enthusiasm : CRAZE