歹毒 Traditional form: 歹毒 Pinyin (reading): dǎidú Definitions: vicious ruthless malevolent Characters: 歹 - corpse; death; evil, depraved, wicked 毒 - poison, venom; drug, narcotic Traditional characters: 歹 - corpse; death; evil, depraved, wicked 毒 - poison, venom; drug, narcotic