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.
Net Worth: $180 Million. About George Clooney. American award-winning actor, film director, producer, and screenwriter, George Clooney, has an estimated net worth of $180 million. As a remarkably intelligent and capable actor, and a director of surprising skill and intuition, Clooney has almost completely exempted himself from criticism.