unlawful arrestglossary / unlawful arrest The taking of a person into custody either without a valid warrant or without probable cause to believe that the person has committed a crime. Cf. lawful arrest. 词条贡献者 法律翻译Gilbert,毕业于亚洲顶尖的高级翻译学院,擅长翻译有关矿产资源领域的法律文件。