In a way that is wildly excited, frenzied, or showing signs of mania; with extreme enthusiasm or madness.
From 'maniac' (from Greek 'mania' meaning 'madness') + '-al' + '-ly'. The Greek root 'mania' originally meant extreme mental agitation or possession by a god.
The prefix 'mania' appears in dozens of psychological and behavioral terms (kleptomania, pyromania, nymphomania), showing how ancient Greek concepts of obsessive behavior still frame how we understand compulsive human drives today.
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