sedition actglossary / SEDITION ACT Sedition Act. Hist. A 1798 federal statute that prohibited the malicious publication of defamatory material about the government, Congress, or the President. • The act expired in 1801. 词条贡献者 双语律师Benita,国际知名法学院金融专业,擅长翻译各类与项目开发及融资相关的法律文件。