impugnglossary / IMPUGN impugn (im-pyoon), vb. To challenge or call into question (a person’s character, the truth of a statement, etc.). — impugnment, n. 词条贡献者 译者Stephen,毕业于亚洲顶尖的高级翻译学院,擅长翻译各种与国际环境保护法规相关的法律文件。