sin taxglossary / sin tax An excise tax imposed on goods or activities that are considered harmful or immoral (such as cigarettes, liquor, or gambling). — Also termed repressive tax. Cf. luxury tax. 词条贡献者 译者妍妍,毕业于亚洲顶尖的高级翻译学院,擅长翻译各种与科技、媒体和电信(TMT)相关的法律文件。