in a state of mind which prevents normal perception, behaviour, or social interaction; seriously mentally ill 精神错乱的;有严重精神病的,发疯的 certifying patients as clinically insane. 证明病人被临床诊断为精神病。 he had gone insane. 他发疯了。 ■(of an action or quality) characterized or caused by madness (行为,品性)疯狂的;由疯狂引起的 charging headlong in an insane frenzy. 狂怒地迎头冲上前去。 his eyes glowing with insane fury. 他眼里冒着疯狂的怒火。 ■in a state of extreme annoyance or distraction 狂怒的;疯狂的 a fly whose buzzing had been driving me insane. 嗡嗡作响地吵得我难以忍受的苍蝇。 ■(of an action or policy) extremely foolish; irrational or illogical (行为,政策)极其愚蠢的;不合理的 she had an insane desire to giggle. 她傻乎乎地想格格笑出来。
派生 insanely adverb 语源
mid 16th cent.: from Latin insanus, from in- 'not' + sanus 'healthy'