Definition of 'maniacal'. maniacal (mÉnaÉªÉkÉl ) If you describe someone's behaviour as maniacal, you mean that it is extreme, violent, or very determined, as if the person were insane. He was almost maniacal in his pursuit of sporting records.
Throughout his career, Clooney has won two Academy Awards, one for Best Supporting Actor for his role in Syriana and one for Best Picture as one of the producers for Argo, as well as a BAFTA and a Golden Globe.
At the 26th Academy Awards (1954), Disney won the Academy Award in all four categories in which he was nominated: Best Short Subject (Cartoon), Best Short Subject (Two-reel) , Best Documentary (Feature) , and Best Documentary (Short Subject) .