madness noun
ADJ. absolute, pure, sheer, utter It's sheer madness to go sailing in weather like this.
PHRASES the first sign of madness They say that talking to yourself is the first sign of madness! | a moment of madness In a moment of madness, I said I'd help him.
You can also check other dicts: madness (English, 中文解释 ), wordnet sense, Collins Definition