essential mistakeglossary / essential mistake Contracts. A mistake serious enough that no real consent could have existed, so that there was no real agreement. [Cases: Contracts 93. C.J.S. Contracts §§ 136, 147–148.] 词条贡献者 资深译员Sheldon,毕业于亚洲顶尖的高级翻译学院,擅长翻译有关零售和消费品领域的法律文件。