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.
With a total of seven awards, director William Wyler's film won in all major categories in which it was nominated including Best Picture, Best Actor, Best Supporting Actor, Best Director, Best Screenplay, Film Editing, and Best Scoring of a Dramatic or Comedy Picture.