Furious/ˈfjʊriəs/ Definition 1 of 3Pro Tip 1/3Extreme Anger Use 'furious' to describe a very intense form of anger, stronger than just 'annoyed' or 'upset'. He was furious when he discovered the betrayal. Pro Tip 2/3Personal Reaction 'Furious' often implies a personal, emotional reaction to something offensive or unjust. She became furious after the unfair accusations. Pro Tip 3/3Body Language A furious person may demonstrate their anger through facial expressions or gestures. His furious glare made everyone step back.