maniacal

/məˈnaɪəkl/
📚 25071 GRE
If you describe someone's behaviour as maniacal, you mean that it is extreme, violent, or very determined, as if the person were insane. (行为)极端的; 疯狂的; 狂热的

adjective [原级] 疯狂的,狂热的;躁狂的

She is hunched forward over the wheel with a maniacal expression. 她弓身伏在方向盘前,表情像疯了一样。

后缀: al 【adjective】 表示具有某种性质的 - indicating pertaining to or characterized by 原词: maniacal 是通过后缀 【al】 构成的派生词
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