perfect defenseglossary / perfect defense A defense that meets all legal requirements and results in the defendant’s acquittal. See perfect self-defense under SELF-DEFENSE. Cf. imperfect defense. 词条贡献者 资深译员陈鹏,毕业于国内顶尖的高级翻译学院,擅长翻译各类与全球贸易及投资相关的法律文件。