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.
The film received eleven Academy Award nominations and won five. Brooks won the Academy Awards for Best Picture, Best Director, and Best Writing (Adapted Screenplay) while MacLaine won the Academy Award for Best Actress and Nicholson won the Academy Award for Best Supporting Actor.