maddenEnglishOxford Dictionary of Englishmadden /ˈmadn / ▸ verb [with object] make (someone) extremely annoyed: this is ridiculous, she told him, maddened by his reaction. ▪ cause (someone) to lose their mental faculties: she was almost maddened by grief at his loss. – ORIGIN early 18th century (in the sense ‘become mad’): from mad + en.